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NPFC - FED-STD-H28/6

SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS

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Organization: NPFC
Publication Date: 27 August 1991
Status: active
Page Count: 28
scope:

This section provides the standards for basic gaging principles, gaging practice, gage specifications, gage dimensions, gage measurements, measuring equipment, and calibration requirements for Unified inch screw threads (UN and UNR thread forms).

Information and requirements for gaging systems, their selection, and referee gaging used to determine product thread acceptability are found in FED-STD-H28/20 and are not repeated in this section.

This section applies to gages and measuring instruments used for inspection of product screw threads conforming to FED-STD-H28/20, and to their setting gages.

The following classes of gages are included in this section:

(1) Working gages - used during product manufacture.

(2) Inspection gages - used as final conformance gages in the acceptance of product.

(3) Setting gages - used for setting and for checking the above gages.

Document History

February 27, 2019
Screw-Thread Standards for Federal Services Section 6 Gages and Gaging for Unified Screw Threads-UN and UNR Thread Forms
A description is not available for this item.
August 29, 2006
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS
A description is not available for this item.
September 10, 2001
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS
A description is not available for this item.
FED-STD-H28/6
August 27, 1991
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS
This section provides the standards for basic gaging principles, gaging practice, gage specifications, gage dimensions, gage measurements, measuring equipment, and calibration requirements for...
March 5, 1985
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS
This section provides the standards for basic gaging principles, gaging practice, gage specification, gage dimensions, gage measurements, measuring equipment, and calibration requirements for unified...
December 30, 1981
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS
A description is not available for this item.
January 23, 1980
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS
A description is not available for this item.
March 31, 1978
SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS
A description is not available for this item.

References

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