The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-201-7774, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-201-7774 |
| Item Name | Universal Joint,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Status | ACTIVE |
| Shaft Spline Quantity | 10 LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SSN637-501-2159956 PIECE 18 | 5/9 Secondary reference U.S. Government activity |
| SSN637-501-2159956 PIECE 18 | 5/9 Secondary reference U.S. Government activity |
| 77643-70X10 | D/9 Drawing number reference only U.S. Government activity |
| SSN637-501-2159956 | D/9 Drawing number reference only U.S. Government activity |
| 77643-70X10 PIECE 18 | 5/9 Secondary reference U.S. Government activity |
| NA651M | 3/2 Design control — primary reference U.S. Government activity |
NSN 2520-01-201-7774 is a Universal Joint,vehicular, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 2520-01-201-7775, 2520-01-202-5759, 3020-01-214-7111. Verify interchangeability with system specifications before substitution.
Key specifications for 2520-01-201-7774: Shaft Spline Quantity: 10 LOCATION NOT OTHERWISE SPECIFIED. 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.