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NSN 1020-00-273-2823, 1020002732823
RING,PISTON

Federal Supply Classification
FSC 1020 - Guns, over 125mm through 150mm
National Item Identification Number
NIIN 002732823
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 1020-00-273-2823

National Stock Number (NSN) 1020-00-273-2823, or NIIN 002732823, (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 physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

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 1020002732823 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

CROSS-SECTIONAL SHAPE STYLE
(AAGR) PLAIN RECTANGULAR, STRAIGHT FACE
FSC APPLICATION DATA
(ZZZV) 5 IN. GUN MOUNTS
MATERIAL
(MATT) IRON OVERALL
JOINT STYLE
(ADTE) STEP JOINT
RADIAL WALL THICKNESS
(ACXF) 0.0750 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM
RING STYLE
(ACXD) CONCENTRIC
OVERALL WIDTH
(ACXJ) 0.1240 INCHES NOMINAL
STANDARD BORE DIAMETER
(ACXZ) 1.875 INCHES

Manufacturer Part Numbers

318691PC4

ISC
5
RNCC
3
RNVC
2
39273

ISC
5
RNCC
5
RNVC
2
39273

ISC
5
RNCC
5
RNVC
2
E3960021PC4

ISC
5
RNCC
5
RNVC
2

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