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NPFC - MS 21958

BODY, CLUSTER FITTING, TWO-WAY, 180 DEG., INTERNAL BOSS

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Organization: NPFC
Publication Date: 15 June 2000
Status: inactive
Page Count: 6
scope:

This specification is approved for use by all Departments and Agencies of the Department of Defense. TABLE IA. Dimensions for low flow sizes.

Low Flow Size Tube Thread T A B C D J K ---------------------- Al Al Alloy 1/ OD SAE AS8879 ±.031 ±.031 Alloy 7075 2014/2024 ---------------------------------------------------------------------------------------------- W4L -4L .250 .4375-20UNJF-3A .312 .500 .688 .406 .625 1.062 W5L -5L .312 .500-20UNJF-3A .344 .500 .750 .438 .625 1.094 W6L -6L .375 .5625-18UNJF-3A .344 .500 .812 .469 .625 1.125 1/ Aluminum alloy 2014 and 2024 parts are cancelled. Use Aluminum alloy 7075 parts for new design. Cancelled parts may be used till stock is exhausted.

TABLE IB. Dimensions for high flow sizes.

High Flow Size Tube Thread T A B C D J K ------------------------- Al Alloy Al Alloy 1/ OD SAE AS8879 ±.031 ±.031 7075 2014/2024 --------------------------------------------------------------------------------------------------- W4H -4H .250 .4375-20UNJF-3A .312 .594 .688 .297 .625 1.219 W5H -5H .312 .500-20UNJF-3A .375 .594 .750 .312 .625 1.250 W6H -6H .375 .5625-18UNJF-3A .406 .594 .812 .375 .625 1.312 W8H -8H .500 .750-16UNJF-3A .422 .594 1.125 .625 .750 1.500 1/ Aluminum alloy 2014 and 2024 parts are cancelled. Use Aluminum alloy 7075 parts for new design. Cancelled parts may be used till stock is exhausted.

Document History

MS21958 REV D VALID NOTICE 2
February 3, 2023
Body, Cluster Fitting, Two-Way, 180 Degrees, Internal Boss
A description is not available for this item.
MS 21958
March 8, 2018
Body, Cluster Fitting, Two-Way, 180 Degrees, Internal Boss
A description is not available for this item.
MS 21958
August 4, 2011
BODY, CLUSTER FITTING, TWO-WAY, 180°, INTERNAL BOSS
A description is not available for this item.
MS 21958
June 15, 2000
BODY, CLUSTER FITTING, TWO-WAY, 180 DEG., INTERNAL BOSS
This specification is approved for use by all Departments and Agencies of the Department of Defense. TABLE IA. Dimensions for low flow sizes. Low Flow Size Tube Thread T A B C D J K...
MS 21958
July 29, 1975
BODY, CLUSTER FITTING, TWO-WAY, 180 DEG., INTERNAL BOSS
This military standard is approved for use by all Departments and Agencies of the Department of Defense. Selection for all new engineering and design applications and for repetitive use shall be made...
MS21958 REV A
January 12, 1962
BODY, CLUSTER FITTING, TWO-WAY, 180 DEG., INTERNAL BOSS
A description is not available for this item.
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References

This document references:
ASME B46.1 - Surface Texture (Surface Roughness, Waviness, and Lay)
Published by ASME on January 1, 2019
This Standard is concerned with the geometric irregularities of surfaces. It defines surface texture and its constituents: roughness, waviness, and lay. It also defines parameters for specifying...
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