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NSN 1020-00-274-3291, 1020002743291
RING,PISTON

Federal Supply Classification
FSC 1020 - Guns, over 125mm through 150mm
National Item Identification Number
NIIN 002743291
Codification Country
United States
Item Name Code
INC 11459
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS™ Summary

National Stock Number 1020-00-274-3291

National Stock Number (NSN) 1020-00-274-3291, or NIIN 002743291, (ring,piston) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 11459. [A CIRCULAR, SINGLE OR MULTIPIECE ITEM, METALLIC OR NONMETALLIC IN COMPOSITION, DESIGNED TO BE FITTED IN A CIRCUMFERENTIAL GROOVE IN A PISTON AND TO SPRING OUTWARD AGAINST THE CYLINDER WALL TO FUNCTION AS A SEAL OR WIPER. IT IS SUPPLIED IN VARIOUS CROSS-SECTIONAL SHAPES AND IS CUT THROUGH AT ONE POINT TO ALLOW FOR INSTALLATION IN THE PISTON RING GROOVE. IT MAY INCLUDE AN EXPANDER. EXCLUDES PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; AND SEAL RING, METAL.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1020002743291 does not contain precious metals.

This NSN is associated to Schedule B 9305913010: parts and accessories of military artillery weapons of 9301.11 or 9301.19. The Schedule B End Use is listed as tanks, artillery, missiles, rockets, guns and ammunition. NAICS classification category 332994: small arms, ordnance, and ordnance accessories manufacturing.

This information was last updated on .


Technical Characteristics

STANDARD BORE DIAMETER
(ACXZ) 1.954 INCHES
OVERALL WIDTH
(ACXJ) 0.1870 INCHES NOMINAL
RING STYLE
(ACXD) CONCENTRIC
RADIAL WALL THICKNESS
(ACXF) 0.0700 INCHES MINIMUM AND 0.0860 INCHES MAXIMUM
JOINT STYLE
(ADTE) DIAGONAL JOINT
MATERIAL
(MATT) STEEL OVERALL
FSC APPLICATION DATA
(ZZZV) LAUNCHER,GUIDED MISSILE
CROSS-SECTIONAL SHAPE STYLE
(AAGR) PLAIN RECTANGULAR, STRAIGHT FACE
RING STYLE
(ACXD) 1 CONCENTR
CROSS-SECTIONAL SHAPE STYLE
(AAGR) A1 PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE
(ADTE) 2 DIAGONAL JOINT

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