FED-STD-H28-23 Base Document:1989
Current
The latest, up-to-date edition.
Screw-Thread Standards for Federal Services Section 23 Class 5 Interference-Fit Screw Threads
20-01-1989
Gives general purpose Class 5 interference-fit screw threads of modified National thread form in the Coarse Series (NC) for sizes 0.250 to 1.500 inches. Also provided are Naval specifications special applications. Interference-fit threads are intended to sufficient breakloose torques to prevent loosening of externally threaded parts in use where other, less costly methods are unsatisfactory.
| DevelopmentNote |
NOTICE 1 - Notice of Validation. NOTICE 2 - Notice of Validation. (09/2001) NOTICE 3 - Notice of Validation. (08/2006)
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| DocumentType |
Standard
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| Pages |
13
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| ProductNote |
NEW CHILD NOT 4 2019 IS NOW ADDED.
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| PublisherName |
US Military Specs/Standards/Handbooks
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| Status |
Current
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| FED-STD-H28 Revision A:1994 | Screw-Thread Standards for Federal Services |
| FF-S-1362 Revision A:2014 | Stud, Plain, General Purpose |
| ASME Y14.6 : 2001(R2018) | SCREW THREAD REPRESENTATION |
| ASME Y14.6:2001 | SCREW THREAD REPRESENTATION |
| ASME Y14.6 : 2001 : R2013 | SCREW THREAD REPRESENTATION |
| ASME Y14.6 : 2001 : R2007 | SCREW THREAD REPRESENTATION |
| ASME B1.12 : 1987 | CLASS 5 INTERFERENCE-FIT THREAD |
| FED-STD-H28-1 Revision A:1985 | Screw-Thread Standards for Federal Services Section 1 Nomenclature, Definitions and Letter Symbols for Screw Threads |
| FED-STD-H28-20 Revision B:1994 | Screw-Thread Standards for Federal Services Section 20 Inspection Methods for Acceptability of UN, UNR, UNJ, M, AND MJ Screw Threads |
| FED-STD-H28-6 Revision A:1978 | SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS |
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