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NSN 2815-00-392-4744, 2815003924744
RING,PISTON

Federal Supply Classification
FSC 2815 - Diesel Engines and Components
National Item Identification Number
NIIN 003924744
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 2815-00-392-4744

National Stock Number (NSN) 2815-00-392-4744, or NIIN 003924744, (ring,piston) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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 2815003924744 contains an unknown precious metal.

This NSN is associated to Schedule B 8409998000: parts for compression-ignition internal combustion piston engines (diesel), nesoi. The Schedule B End Use is listed as industrial engines. NAICS classification category 333618: other engine equipment manufacturing.

This information was last updated on .


Technical Characteristics

CROSS-SECTIONAL SHAPE STYLE
(AAGR) MULTI-PIECE STRAIGHT FACE, VENTILATED OIL CONTROL SPACER
JOINT STYLE
(ADTE) VERTICAL JOINT
OVERALL WIDTH
(ACXJ) 0.1880 INCHES NOMINAL
MATERIAL
(MATT) STEEL OVERALL
RADIAL WALL THICKNESS
(ACXF) 0.1380 INCHES NOMINAL
RING STYLE
(ACXD) CONCENTRIC
SPECIAL FEATURES
(FEAT) W/ EXPANDER RING
STANDARD BORE DIAMETER
(ACXZ) 3.750 INCHES

Manufacturer Part Numbers

77111B

RNCC
3
RNVC
2
77111B

RNCC
5
RNVC
9
79114A

RNCC
5
RNVC
2
79114A

RNCC
5
RNVC
9

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