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NSN 2825-00-221-5395, 2825002215395
RING,PISTON

Federal Supply Classification
FSC 2825 - Steam Turbines and Components
National Item Identification Number
NIIN 002215395
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 2825-00-221-5395

National Stock Number (NSN) 2825-00-221-5395, or NIIN 002215395, (ring,piston) was assigned June 25, 1969 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. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jan 10, 2018. There have been 7 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7M218P0710, SPE7M116M1777, SPE7M115M7898, SPE7M314M1524, SPM7M311M1385. The total value of the awarded contracts has been US$ 12,880.40.

This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 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. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 2825002215395 contains an unknown precious metal.

This NSN is associated to Schedule B 8406900040: parts for steam turbines. The Schedule B End Use is listed as industrial engines. NAICS classification category 333611: turbine and turbine generator set units manufacturing.

This information was last updated on .


Technical Characteristics

CROSS-SECTIONAL SHAPE STYLE
(AAGR) PLAIN RECTANGULAR, STRAIGHT FACE
FSC APPLICATION DATA
(ZZZV) TURBINE GENERATOR
JOINT STYLE
(ADTE) VERTICAL JOINT
OVERALL WIDTH
(ACXJ) 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 7322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) COPPER ALLOY OVERALL
RADIAL WALL THICKNESS
(ACXF) 0.0750 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM
RING STYLE
(ACXD) CONCENTRIC
STANDARD BORE DIAMETER
(ACXZ) 1.875 INCHES
III FSC APPLICATION DATA
(ZZZV) TURBINE GENERATOR

Manufacturer Part Numbers

91141

RNCC
3
RNVC
9
91141

RNCC
5
RNVC
9
91141001

RNCC
5
RNVC
9
LA91141

RNCC
5
RNVC
9
LA91141

RNCC
5
RNVC
9
LA91141

RNCC
5
RNVC
9
91141001

RNCC
C
RNVC
1
LA91141

RNCC
C
RNVC
1
91141

RNCC
C
RNVC
1
91141001

RNCC
C
RNVC
1
91141

RNCC
C
RNVC
1
LA91141

RNCC
C
RNVC
1

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