• There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

BS 2045:1965

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Preferred numbers
Available format(s)

Hardcopy , PDF

Withdrawn date

14-06-2016

Language(s)

English

Published date

10-08-1965

Cooperating organizations
Foreword
Introduction
1. Scope
Part 1. Preferred numbers
2. Derivation
3. Nomenclature and definitions
4. Designation
5. Series of preferred numbers
Part 2. Guidance in the use of preferred numbers and
series of preferred numbers
6. Choice of series
7. More rounded values of preferred numbers
Tables
1. Basic series of preferred numbers
2. Derivation of basic series
3. R80 series of preferred numbers for exceptional use
4. More rounded values of preferred numbers
Appendices
A. International examples of the use of preferred
     numbers
B. Recommendations for calculating with preferred
     numbers

Details of the R5, R10, R20, R40 and R80 series and of the more rounded values of preferred numbers, together with a general introduction to the subject (based on BS 1638, now withdrawn) and guidance in the use of preferred numbers and series of preferred numbers. International examples of the use of preferred numbers and recommendations for calculating with them are appended.

Committee
E/-
DevelopmentNote
Supersedes D63/1456 DC (06/2005) Reviewed and confirmed by BSI, January 2011. (12/2010)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Withdrawn

Standards Relationship
ISO 497:1973 Identical
ISO 17:1973 Identical
ISO 3:1973 Identical

BS MA 79:1978 Specification for jib cranes: ship mounted type
BS QC 300000:1983 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Generic specification
BS QC 300100:1991 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification: fixed polyethylene-terephthalate film dielectric metal foil d.c. capacitors
BS 9925-0:1984 Harmonized system of quality assessment for electronic components. Inductor and transformer cores for telecommunications Generic specification
BS 6885:1988 Specification for miniature cartridge fuse links for use on printed wiring boards
BS 4480-8:1984 Plain bearings: metric series Specification for dimensions, tolerances and methods of checking of thin-walled flanged half bearings
BS CECC 16000-1:1992 Harmonized system of quality assessment for electronic components. Generic specification: electromechanical all-or-nothing relays General
BS 4506:1970 Specification for shaft ends
BS 6600-1:1987 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment Specification for the outline dimensions of transformers and inductors using YEI-1 laminations
BS CECC 00111-3:1991 Rule of Procedure 11. Specifications Regulations for CECC Specifications for components for general and professional (civil and military) usage (excluding detail specifications)
BS EN 61050:1992 Specification for transformers for tubular discharge lamps having a no-load output voltage exceeding 1000 V (generally called neon-transformers). General and safety requirements
BS CECC 31600:1991 Harmonized system of quality assessment for electronic components: sectional specification. Fixed capacitors with paper and paper/plastics dielectrics
BS QC 400200:1993 Harmonized system of quality assessment for electronic components. Fixed resistors for use in electronic equipment. Sectional specification: fixed power resistors
BS QC 300900:1991 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification: fixed polystyrene film dielectric metal foil d.c. capacitors
BS 9070-4:1971 Specification for fixed capacitors of assessed quality: generic data and methods of test Polystyrene dielectric capacitors
BS 6450-4:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators Specification for ports
BS 5535:1978 Specification for right angle and box angle plates
BS 6722:1986 Recommendations for dimensions of metallic materials
BS EN 874:1995 Gas welding equipment. Oxygen/fuel gas blowpipes (cutting machine type) of cylindrical barrel. Type of construction, general specifications, test methods
BS 4999-141(2004) : 2004 GENERAL REQUIREMENTS FOR ROTATING ELECTRICAL MACHINES - PART 141: SPECIFICATION FOR STANDARD DIMENSIONS
EN 60289:1994/A11:2002 REACTORS
BS 2634-1:1987 Roughness comparison specimens Specification for turned, ground, bored, milled, shaped and planed specimens
BS CECC 20000:1983 Harmonized system of quality assessment for electronic components: generic specification: semiconductor optoelectronic and liquid crystal devices
BS QC 160000-1:1987 Harmonized system of quality assessment for electronic components. Electrical relays. Generic specification: electromechanical all-or-nothing relays Test and measurement procedures
BS 9133 N001-003(1975) : 1975 DETAIL SPECIFICATION FOR SINGLE TURN LOW POWER NON-WIRE WOUND ROTARY POTENTIOMETERS - SPINDLE INSULATED FROM RESISTANCE ELEMENT, SPINDLE AND PANEL SEALED OR CONTAINER, SPINDLE AND PANEL SEALED - FULL ASSESSMENT LEVEL
BS 7834:1995 Specification for turbine meters used for the measurement of gas flow in closed conduits
PD 7010:1997 Essential requirements for a handset telephony facility provided by terminal equipment intended for direct connection to an analogue interface of the public switched telephone network
BS 9070-1&2(1969) : 1969 AMD 7393 SPECIFICATION FOR FIXED CAPACITORS OF ASSESSED QUALITY: GENERIC DATA AND METHODS OF TEST - PRINCIPLES AND MANDATORY PROCEDURES - GENERAL RULES FOR DRAFTING DETAIL SPECIFICATIONS
BS MA 57:1975 Specification for ships\' deck machinery - rope storage reels
BS 9150:1983 Specification for electrical relays of assessed quality: generic data and methods of test
BS MA 44:1974 Recommendations for the co-ordination of dimensions in shipbuilding: principles of dimensional co-ordination
BS QC 420000:1992 Harmonized system of quality assessment for electronic components. Varistors for use in electronic equipment: generic specification
BS 5186:1975 Specification for shaft centre heights
BS 6620-2:1991 Industrial plate screens Guide for screens of thickness below 3 mm
BS QC 300800:1991 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification for fixed tantalum chip capacitors
BS 5786-1:1979 Variable capacitors Methods of test
BS QC 390000:1992 Harmonized system of quality assessment for electronic components. Fixed film resistor networks for use in electronic equipment. Generic specification
BS 7372-3:1993 Guide to the choice of aperture size and wire diameter combinations for industrial wire screens and woven wire cloth Preferred combinations for pre-crimped or pressure-welded wire screens
BS 6493-1.1:1984 Semiconductor devices. Discrete devices General
BS 4114:1967 Specification for dimensional and quantity tolerances for steel drop and press forgings and for upset forgings made on horizontal forging machines
BS CECC 30500:1989 Harmonized system of quality assessment for electronic components. Sectional specification: fixed metallized polycarbonate film dielectric capacitors for direct current
BS 3877:1991 Specification for metal cutting bandsaw blades
BS 1432:1987 Specification for copper for electrical purposes: high conductivity copper rectangular conductors with drawn or rolled edges
BS 572:1985 Specification for interchangeable conical ground glass joints
BS 1916-3:2009 Limits and fits for engineering Guide to tolerances, limits and fits for large diameters
BS CECC 30400:1984 Harmonized system of quality assessment for electronic components. Sectional specification: fixed metallized polyethylene-terephthalate film dielectric capacitors for direct current
BS 9120:1988 Specification for radio interference suppression filters of assessed quality: generic data and methods of test
BS 5703-4:2003 Guide to data analysis and quality control using cusum techniques Cusum methods for discrete (count/classified) data
BS CECC 30300:1992 Harmonized system of quality assessment for electronic components. Sectional specification: aluminium electrolytic capacitors with solid and non-solid electrolyte
BS 1916-1:1953 Limits and fits for engineering Limits and tolerances
BS CECC 41000:1977 Harmonized system of quality assessment for electronic components: generic specification for potentiometers
BS 2634-2:1987 Roughness comparison specimens Specification for spark-eroded, shot-blasted, grit-blasted, and polished specimens
BS 5752-5:1991 Methods of test for coffee and coffee products Green coffee: size analysis by manual sieving
BS CECC 50000:1987 Harmonized system of quality assessment for electronic components. Generic specification: discrete semiconductor devices
BS CECC 30800:1991 Harmonized system of quality assessment for electronic components. Sectional specification: tantalum surface mounting capacitors
BS 4657:1990 Method for determining the resolution obtained in microcopying
BS CECC 30700:1991 Harmonized system of quality assessment for electronic components. Sectional specification: fixed capacitors of ceramic dielectric, class 2
BS MA 62:1974 Specification for weed grids for sea inlets
BS 4274-2(1996) : 1996 VISUAL ACUITY TEST TYPES - SPECIFICATION FOR LANDOLT RING OPTOTYPE FOR NON-CLINICAL PURPOSES
BS 1916-1:2009 Limits and fits for engineering Guide to limits and tolerances
BS QC 300200:1983 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification: fixed tantalum capacitors with solid or non-solid electrolyte
BS EN 129200:1996 Harmonized system of quality assessment for electronic components. Sectional specification: fixed inductors with ceramic or ferrite core wound with copper wire for RF circuits
BS CECC 42200:1988 Harmonized system of quality assessment for electronic components. Sectional specification: surge suppression varistors
BS CECC 32200:1989 Harmonized system of quality assessment for electronic components. Sectional specification: fixed chip capacitors with metallized electrodes and polyethylene-terephthalate dielectric for direct current
BS MA 23:1973 Specification for multi-angle roller fairleads
09/30192598 DC : 0 BS 1916-1 - LIMITS AND FITS FOR ENGINEERING - PART 1: LIMITS AND TOLERANCES - GUIDE
BS MA 12-2:1983 Specification for welded steel bollards Cruciform type
BS 9090:1977 Variable capacitors of assessed quality: generic data and methods of test
BS CECC 31300:1983 Harmonized system of quality assessment for electronic components: sectional specification: fixed mica dielectric d.c. capacitors
BS EN 120000:1996 Harmonized system of quality assessment for electronic components. General specification: semiconductor optoelectronic and liquid crystal devices
BS MA 35:1975 Specification for ships\' deck machinery - windlasses
BS MA 36:1974 Specification for ships\' deck machinery - topping winches
BS QC 300500:1989 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification: fixed metallized polycarbonate film dielectric d.c. capacitors
BS 1434:1985 Specification for copper for electrical purposes: copper sections in bars, blanks and segments for commutators
BS EN 60289:1995 Reactors
BS 3564:1986 Method for size-grading of muscovite mica blocks, thins and films
BS 5242-1:1987 Tubes for fluid power cylinder barrels Specification for steel tubes with specially finished surfaces
BS 9520:1983 Specification for electrical connectors of assessed quality for d.c. and low frequency application: generic data, methods of test and capability approval procedures
BS 466:1984 Specification for power driven overhead travelling cranes, semi-goliath and goliath cranes for general use
BS 6317:1992 Specification for simple telephones for connection to public switched telephone networks run by certain public telecommunications operators
BS QC 301900:1992 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification for fixed multilayer ceramic chip capacitors
BS 5214-2:1978 Specification for testing machines for rubbers and plastics Constant rate of force application machines
BS QC 410000:1990 Harmonized system of quality assessment for electronic components: potentiometers for use in electronic equipment
BS 6450-3.1:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Direct dialling in on private branch exchanges Specification for direct dialling in on private branch exchanges with terminating stations treated as an entirety
BS 3531-14.2:1990 Implants for osteosynthesis. Intramedullary nailing systems Specification for medullary pins (Rush type) and introducer/extractors
PD 6572:1992 BS 6833-6:1992. Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogueinterfaces of public switched telephone networks. Specification for cordless portable parts and cordless fixed parts asseparate stand alone items of apparatus
BS EN 140210:1995 Harmonized system of quality assessment for electronic components. Sectional specification: fixed power resistors. Capability approval
BS 7372-1:1991 Guide to the choice of aperture size and wire diameter combinations for industrial wire screens and woven wire cloth General
PD 7021:1996 Essential requirements for terminal equipment intended for connection to 4-wire analogue speechband leased lines of the public telecommunications network
BS 5046:1974 Method for the estimation of equivalent diameters in the heat treatment of steel
BS 5650:1978 Specification for apparatus for gamma radiography
BS 9130:1972 Specification for potentiometers of assessed quality: generic data and methods of test
BS QC 400000:1990 Harmonized system of quality assessment for electronic components. Fixed resistors for use in electronic equipment: generic specification
BS 9100:1983 Specification for capability approval for custom-built capacitors and capacitor modules: generic data and methods of test
09/30192613 DC : 0 BS 1916-3 - LIMITS AND FITS FOR ENGINEERING - PART 3: RECOMMENDATIONS FOR TOLERANCES, LIMITS AND FITS FOR LARGE DIAMETERS (GUIDANCE)
PD 6570-6:1992 Draft standard to match to and work with ETS 300 001/NET4 \'Apparatus using cordless attachments (excluding cellular radioapparatus) for connection to analogue interfaces of public switched telephone networks run by certain public telecommunicationsoperators\' Specification for cordless portable parts and cordless fixed parts as separate stand alone items
BS MA 12-1:1983 Specification for welded steel bollards Vertical type
BS 9070-7:1971 Specification for fixed capacitors of assessed quality: generic data and methods of test Mica dielectric capacitors
BS EN 134000:1995 Harmonized system of quality assessment for electronic components. Generic specification: variable capacitors. (Qualification approval and capability approval)
BS 7372-2:1991 Guide to the choice of aperture size and wire diameter combinations for industrial wire screens and woven wire cloth Preferred combinations for woven wire cloth
BS QC 301300:1989 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification: fixed metallized polypropylene film dielectric a.c. and pulse capacitors
BS MA 53:1975 Specification for ships\' deck machinery - towing winches for deep sea use
BS MA 55:1975 Specification for ships\' deck machinery - lifeboat winches
BS QC 301700:1992 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification for fixed polycarbonate film dielectric metal foil d.c. capacitors
BS CECC 42000:1978 Harmonized system of quality assessment for electronic components: generic specification: varistors
BS QC 300600:1991 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification for fixed capacitors of ceramic dielectric, class 1
BS 6620-1:1991 Industrial plate screens Guide for screens of thickness 3 mm and above
BS QC 300400:1983 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification: fixed metallized polyethylene terephthalate film dielectric d.c. capacitors
BS 4480-5:1979 Plain bearings: metric series Dimensions, tolerances and methods of checking thin-walled half bearings
BS MA 52:1974 Specification for ships\' deck machinery - accommodation ladder winches
BS 4801-2:1972 Specification for varnish-bonded glass-braided copper conductors Rectangular conductors
BS 171:1970 Specification for power transformers
BS 4480-4:1979 Specification for plain bearings: metric series Dimensions, tolerances and methods of checking wrapped bushes
BS 6339:1983 Specification for dimensions of circular flanges for general purpose industrial fans
PD 6568:1992 Draft standard to match to and work with ETS 300 001/NET4. Specification for simple telephones for connection to public switched telephone networks run by certain public telecommunications operators
BS 9070-5:1971 Specification for fixed capacitors of assessed quality: generic data and methods of test Ceramic dielectric capacitors
BS 6811-1.1:1987 Winding wires. Basic dimensions Specification for diameters of conductors for round winding wires
BS QC 300700:1992 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification for fixed capacitors of ceramic dielectric, class 2
BS 3884-1:1974 Modular units for machine tools Specification for basic units
BS 2090:1954 Specification for hook spanners, peg spanners, coupling wrenches and the related slots, holes and horns
BS 3522:1962 Specification for hypodermic surgical mounted needles (Luer fitting)
BS 9070-6:1971 Specification for fixed capacitors of assessed quality: generic data and methods of test Polycarbonate dielectric capacitors and polyethylene terephthalate dielectric capacitors for d.c. use and polypropylene dielectric capacitors for d.c. and a.c. use
BS 4189:1967 Specification for conventional typographical character for legibility tests (ISO test character)
BS QC 301800:1991 Harmonized system of quality assessment for electronic components. Fixed capacitors for use in electronic equipment. Sectional specification for fixed polypropylene film dielectric metal foil d.c. capacitors
PD 7020:1996 Essential requirements for terminal equipment intended for connection to 2-wire analogue speechband leased lines of the public telecommunications network

BS 1638(1950) : LATEST REPORT ON THE SELECTION OF RANGES OF TYPES AND SIZES (PREFERRED NUMBERS)

View more information
$294.12
Including GST where applicable

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.

Need help?
Call us on 131 242, then click here to start a Screen Sharing session
so we can help right away! Learn more