BS ISO 8641:2008
Current
The latest, up-to-date edition.
Aerospace. Self-locking nuts with maximum operating temperature greater than 425 °C. Procurement specification
Hardcopy , PDF
English
30-09-2008
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Quality assurance
4.1 General
4.2 Qualification inspection and test conditions
4.3 Production acceptance inspection and test conditions
4.4 Use of "statistical process control (SPC)"
5 Technical requirements
Annex A (normative) - Type of permissible surface discontinuities
Annex B (informative) - Cross-sectional area and formulae for
axial loads
Describes the required characteristics for metric self-locking nuts, with MJ thread, for use in aerospace construction at a maximum temperature greater than 425 degrees C.
| Committee |
ACE/12
|
| DevelopmentNote |
Supersedes 05/30136416 DC. (10/2008)
|
| DocumentType |
Standard
|
| Pages |
32
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies the required characteristics for metric self-locking nuts, with MJ thread, for use in aerospace construction at a maximum temperature greater than 425°C.
It is applicable to nuts as defined above, provided that reference is made to this International Standard in the relevant definition document.
| Standards | Relationship |
| ISO 8641:2008 | Identical |
| ISO 8788:2000 | Aerospace — Nuts, metric — Tolerances of form and position |
| ISO 5855-2:1999 | Aerospace — MJ threads — Part 2: Limit dimensions for bolts and nuts |
| ISO 691:2005 | Assembly tools for screws and nuts — Wrench and socket openings — Tolerances for general use |
| ISO 7870-1:2014 | Control charts — Part 1: General guidelines |
| ISO 1463:2003 | Metallic and oxide coatings — Measurement of coating thickness — Microscopical method |
| ISO 7403:1998 | Aerospace — Spline drives — Wrenching configuration — Metric series |
| ISO/TR 13425:2006 | Guidelines for the selection of statistical methods in standardization and specification |
| ISO 7966:1993 | Acceptance control charts |
| ISO 9199:1998 | Aerospace — Nuts, bihexagonal, self-locking, MJ threads, classifications: 1 100 MPa (at ambient temperature)/425 degrees C, 1 100 MPa (at ambient temperature)/650 degrees C, 1 210 MPa (at ambient temperature)/425 degrees C, 1 210 MPa (at ambient temperature)/730 degrees C, 1 550 MPa (at ambient temperature)/235 degrees C, 1 550 MPa (at ambient temperature)/425 degrees C and 1 550 MPa (at ambient temperature)/600 degrees C — Dimensions |
| ISO 8642:2008 | Aerospace — Self-locking nuts with maximum operating temperature greater than 425 degrees C — Test methods |
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