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NSN 1020-00-273-2822, 1020002732822
RING,PISTON

Federal Supply Classification
FSC 1020 - Guns, over 125mm through 150mm
National Item Identification Number
NIIN 002732822
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS™ Summary

National Stock Number 1020-00-273-2822

National Stock Number (NSN) 1020-00-273-2822, or NIIN 002732822, (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 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

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

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 1020002732822 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) 2.375 INCHES
OVERALL WIDTH
(ACXJ) 0.1240 INCHES NOMINAL
RING STYLE
(ACXD) CONCENTRIC
RADIAL WALL THICKNESS
(ACXF) 0.1000 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM
JOINT STYLE
(ADTE) STEP JOINT
MATERIAL
(MATT) IRON OVERALL
FSC APPLICATION DATA
(ZZZV) 5 IN. GUN MOUNTS
CROSS-SECTIONAL SHAPE STYLE
(AAGR) PLAIN RECTANGULAR, STRAIGHT FACE

Manufacturer Part Numbers

318692PC4

ISC
5
RNCC
3
RNVC
2
39272

ISC
5
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5
RNVC
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39272

ISC
5
RNCC
5
RNVC
2
E3960022PC4

ISC
5
RNCC
5
RNVC
2

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