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NSN 2810-00-077-8091, 2810000778091
Cancelled -> Replaced by 1650000899580

Federal Supply Classification
FSC 2810 - Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
National Item Identification Number
NIIN 000778091
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 2810-00-077-8091

National Stock Number (NSN) 2810-00-077-8091, or NIIN 000778091, (ring,piston) was assigned August 9, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 1650000899580.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (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 2810000778091 does not contain precious metals.

This NSN is associated to Schedule B 8409100080: parts for spark-ignition or compression-ignition internal combustion piston engines for use in aircraft except civil. The Schedule B End Use is listed as engines and turbines for military aircraft. NAICS classification category 336412: aircraft engine and engine parts manufacturing.

This information was last updated on .


Technical Characteristics

III FSC APPLICATION DATA
(ZZZV) ACCUMULATOR,HYDRAULIC ACFT
CROSS-SECTIONAL SHAPE STYLE
(AAGR) PLAIN RECTANGULAR, STRAIGHT FACE
FSC APPLICATION DATA
(ZZZV) ACCUMULATOR,HYDRAULIC ACFT
JOINT STYLE
(ADTE) DIAGONAL JOINT
OVERALL WIDTH
(ACXJ) 0.0490 INCHES MINIMUM AND 0.0520 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) WW-T-700/3 T3 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL
(MATT) ALUMINUM ALLOY 2024 OVERALL
SPECIAL FEATURES
(FEAT) 64,000 PSI MIN TENSILE STRENGTH; 3.625 IN. MIN OD; 0.080 IN. MIN WALL THK
RADIAL WALL THICKNESS
(ACXF) 0.0405 INCHES MINIMUM AND 0.0435 INCHES MAXIMUM
RING STYLE
(ACXD) CONCENTRIC
STANDARD BORE DIAMETER
(ACXZ) 3.567 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-A-8625 TYPE 2 MIL SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT
(SFTT) ANODIZE OVERALL

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