The Piston,clutch Shaft Assembly, cataloged under National Stock Number 2520-00-787-8723, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-787-8723 |
| Primary Part Number | 6770260 |
| Item Name | Piston,clutch Shaft Assembly |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | PISTON,CLUTCH SHAFT ASSEMBLY;SEE ALLISON DIVISION GENERAL CORP P/N 6770260 CAGE 73342 FOR ITEM SPECFICS |
| 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 |
|---|---|
| 6770260 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 897299R91 | Komatsu America Corp. (USA) |
| 10885406 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| C2TZ7A409B | 5/9 Secondary reference Ford Motor Company |
| 6770260 | 5/9 Secondary reference General Motors Corp |
| C2TZ7A409B | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 897299R91 | 5/9 Secondary reference Komatsu American Intl Co |
| 867538 | 5/9 Secondary reference White Motor Corp |
| 161727H1 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 2520-00-787-8723 is a Piston,clutch Shaft Assembly, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-787-8723 has 3 manufacturer part numbers on file: 6770260 (Allison Transmission Inc Dba Allison Transmission, Inc), 897299R91 (Komatsu America Corp.), 10885406 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 6770260: General Characteristics Item Description: PISTON,CLUTCH SHAFT ASSEMBLY;SEE ALLISON DIVISION GENERAL CORP P/N 6770260 CAGE 73342 FOR ITEM SPECFICS; End Item Identification: 2320-00-903-0883TRUCK,CARGO 5TN. 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.