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NPFC - FED-STD-H28/20

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 20 INSPECTION METHODS FOR ACCEPTABILITY OF UN, UNR, UNJ, M, AND MJ SCREW THREADS

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Organization: NPFC
Publication Date: 10 March 1994
Status: active
Page Count: 30
scope:

This standard establishes the Federal Services' approved inspection and referee methods for inch and metric module (UN, UNR, UNJ, M and MJ) screw threads. The standard my also be applied for Class 5 interference fit threads.

The inspection method selected to specify product threads' acceptability for the Federal Services shall be in accordance with this standard.

Document History

September 10, 2019
Screw-Thread Standards for Federal Services Section 20 Inspection Methods for Acceptability of UN, UNR, UNJ, M, AND MJ Screw Threads
A description is not available for this item.
December 21, 1994
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 20 INSPECTION METHODS FOR ACCEPTABILITY OF UN, UNR, UNJ, M, AND MJ SCREW THREADS
A description is not available for this item.
FED-STD-H28/20
March 10, 1994
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 20 INSPECTION METHODS FOR ACCEPTABILITY OF UN, UNR, UNJ, M, AND MJ SCREW THREADS
This standard establishes the Federal Services' approved inspection and referee methods for inch and metric module (UN, UNR, UNJ, M and MJ) screw threads. The standard my also be applied for Class 5...
February 22, 1991
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 20 INSPECTION METHODS FOR ACCEPTABILITY OF UN, UNR, UNJ, M, AND MJ SCREW THREADS
A description is not available for this item.
September 21, 1987
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 20 INSPECTION METHODS FOR ACCEPTABILITY OF UN, UNR, UNJ, M, AND MJ SCREW THREADS
A description is not available for this item.
September 30, 1981
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 20 INSPECTION METHODS FOR ACCEPTABILITY OF UN, UNR, UNJ, M, AND MJ SCREW THREADS
This standard establishes the Federal Services' approved inspection and referee methods for inch and metric module (UN, UNR, UNJ, M and MJ) screw-threads.

References

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