The Piston, cataloged under National Stock Number 2520-00-776-8095, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-776-8095 |
| Primary Part Number | 7768095 |
| Item Name | Piston |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | CARBON STEEL,COMP C1112 THRU C1119 SPEC QQ-S-633,12.500 IN. OUTSIDEDIA,0.938 IN. W,DIA A 10.503 IN.,DIA B11.982 IN.,DIA C 11.540 IN.,DIA D 11.845 IN.,DIA B MUST BE CONCENTRIC WITH DIA A WITHIN 0.004 TIR,DIAS C ANDD MUST BE CONCENTRIC WITH DIA A WITHIN0.006 TIR IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7768095 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 8894251 | 5/9 Secondary reference General Motors Corp |
NSN 2520-00-776-8095 is a Piston, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-776-8095 has 1 manufacturer part number on file: 7768095 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-606-7855. Verify interchangeability with system specifications before substitution.
Key specifications for 7768095: General Characteristics Item Description: CARBON STEEL,COMP C1112 THRU C1119 SPEC QQ-S-633,12.500 IN. OUTSIDEDIA,0.938 IN. W,DIA A 10.503 IN.,DIA B11.982 IN.,DIA C 11.540 IN.,DIA D 11.845 IN.,DIA B MUST BE CONCENTRIC WITH DIA A WITHIN 0.004 TIR,DIAS C ANDD MUST BE CONCENTRIC WITH DIA A WITHIN0.006 TIR IN; End Item Identification: 2520-00-776-8095. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.