The Disk,clutch,vehicular, cataloged under National Stock Number 2520-00-301-3591, 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 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2520-00-301-3591 |
| Primary Part Number | 6703050 |
| 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 |
| Flexibility | RIGID |
| Disk Type | EXTERNAL SLOT |
| Spline Major Diameter | 11.125 INCHES NOMINAL 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 |
|---|---|
| 6703050 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| PP-923 | Cmbf Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 6703050 | 5/9 Secondary reference Euclid Inc |
| PP-923 | 5/9 Secondary reference The S K Wellman Corp Dba Wellman Friction Products |
| 6703050 | 5/9 Secondary reference General Motors Corp |
NSN 2520-00-301-3591 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 2520-00-301-3591 has 2 manufacturer part numbers on file: 6703050 (Allison Transmission Inc Dba Allison Transmission, Inc), PP-923 (Cmbf Products Inc).
1 possible match (shared part number, not a government interchangeability claim): 1220-00-670-3050. Verify interchangeability with system specifications before substitution.
Key specifications for 6703050: Disk Material: STEEL; Design Type: WET; Flexibility: RIGID; Disk Type: EXTERNAL SLOT. 5 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.