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NPFC - FED-STD-H28/7

SCREW-THREAD STANDARDS FOR FEDERAL SEVICES SECTION 7 PIPE THREADS, GENERAL PURPOSE

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Organization: NPFC
Publication Date: 25 October 1984
Status: active
Page Count: 11
scope:

This section provides the standards for general purpose pipe threads used by the Federal Services.

The following pipe threads are not covered in this section:

a. Dryseal pipe threads (NPTF, PTF SAE Short, NPSF, NPSI) - see FED-STD-H28/8.

b. Hose coupling and fire-hose coupling threads (NH, NPSH) - see FED-STD-H28/10.

c. Aeronautical National Form taper pipe threads (ANPT) - see MIL-P-7105.

Document History

FED-STD-H28/7A VALID NOTICE 6
January 23, 2024
Screw-Thread Standards for Federal Sevices Section 7 Pipe Threads, General Purpose
A description is not available for this item.
FED-STD-H28/7
February 27, 2019
Screw-Thread Standards for Federal Sevices Section 7 Pipe Threads, General Purpose
A description is not available for this item.
FED-STD-H28/7
August 29, 2006
SCREW-THREAD STANDARDS FOR FEDERAL SEVICES SECTION 7 PIPE THREADS, GENERAL PURPOSE
A description is not available for this item.
FED-STD-H28/7
September 10, 2001
SCREW-THREAD STANDARDS FOR FEDERAL SEVICES SECTION 7 PIPE THREADS, GENERAL PURPOSE
A description is not available for this item.
FED-STD-H28/7
February 8, 1995
SCREW-THREAD STANDARDS FOR FEDERAL SEVICES SECTION 7 PIPE THREADS, GENERAL PURPOSE
A description is not available for this item.
FED-STD-H28/7
October 12, 1989
SCREW-THREAD STANDARDS FOR FEDERAL SEVICES SECTION 7 PIPE THREADS, GENERAL PURPOSE
A description is not available for this item.
FED-STD-H28/7
October 25, 1984
SCREW-THREAD STANDARDS FOR FEDERAL SEVICES SECTION 7 PIPE THREADS, GENERAL PURPOSE
This section provides the standards for general purpose pipe threads used by the Federal Services. The following pipe threads are not covered in this section: a. Dryseal pipe threads (NPTF, PTF SAE...
FED-STD-H28/7
January 23, 1980
SCREW-THREAD STANDARDS FOR FEDERAL SEVICES SECTION 7 PIPE THREADS, GENERAL PURPOSE
A description is not available for this item.
FED-STD-H28/7
August 31, 1978
SCREW-THREAD STANDARDS FOR FEDERAL SEVICES SECTION 7 PIPE THREADS, GENERAL PURPOSE
A description is not available for this item.
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References

This document references:
ASME B1.20.1 - Pipe Threads, General Purpose (Inch)
Published by ASME on November 15, 2013
This Standard covers dimensions and gaging of pipe threads of the following series: NPT NPSC NPTR NPSM NPSL
This document references:
FED-STD-H28/1 - SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 1 NOMENCLATURE, DEFINITIONS AND LETTER SYMBOLS FOR SCREW THREADS
Published by NPFC on April 21, 2020
This section establishes uniform practices with regard to screw thread nomenclature and letter symbols for designating characteristics of screw threads. These are for use on drawings, in tables of...
This document is referenced by:
MIL-DTL-1183 - FITTINGS, PIPE, CAST BRONZE, SILVER-BRAZING, GENERAL SPECIFICATION FOR
Published by NPFC on August 20, 2019
Scope. This specification covers pipe fittings of cast bronze with at least one end for silver-brazing into steam, air, oil, or water piping systems.
This document is referenced by:
MS 35759 - CUPS, GREASE, AUTOMATIC FEED
Published by NPFC on November 13, 2018
A description is not available for this item.
This document is referenced by:
FED-STD-H28 - SCREW-THREAD STANDARDS FOR FEDERAL SERVICES
Published by NPFC on April 24, 2019
This standard includes the basic screw thread dimensional and acceptability requirements for common screw thread forms and applications. Design and use information are also provided when necessary....
This document is referenced by:
NASM8846 - INSERT, SCREW-THREAD, HELICAL COIL
Published by AIA/NAS on July 29, 2011
This specification covers helical coil screw-thread inserts made from formed wire, the inner surfaces of which, after assembly, provide threads as specified.
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