The Disk,clutch,vehicular, cataloged under National Stock Number 2520-00-776-7573, 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 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2520-00-776-7573 |
| Primary Part Number | 6700676 |
| Item Name | Disk,clutch,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Disk Material | STEEL |
| Design Type | WET |
| Outside Diameter | 12.562 INCHES NOMINAL IN |
| Flexibility | RIGID |
| Disk Type | EXTERNAL SLOT |
| Spline Major Diameter | 13.937 INCHES NOMINAL IN |
| Features Provided | FRICTION MATERIAL FACING AND MATERIAL FACING GROOVE |
| Material | COPPER ALLOY |
| Construction | SOLID |
| 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 |
|---|---|
| 7767573 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 6700676 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6700676B | 5/9 Secondary reference Spalla Inc |
| 6700676 | 5/9 Secondary reference General Motors Corp |
NSN 2520-00-776-7573 is a Disk,clutch,vehicular, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-776-7573 has 2 manufacturer part numbers on file: 7767573 (U S Army Tank Automotive Command Amsta-Im-Mm), 6700676 (Allison Transmission Inc Dba Allison Transmission, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-400-3301. Verify interchangeability with system specifications before substitution.
Key specifications for 6700676: Disk Material: STEEL; Design Type: WET; Outside Diameter: 12.562 INCHES NOMINAL IN; Flexibility: RIGID. 9 specifications are 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.