The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-087-8558, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2520-01-087-8558 |
| Item Name | Universal Joint,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Status | ACTIVE |
| Design Type | SPIDER AND BEARINGSSPIDER AND BEARINGS |
| Connection End Type | HUB,BORED FIRST ENDHUB,BORED FIRST END |
| Connection End Type | HUB,BORED SECOND ENDHUB,BORED SECOND END |
| 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 |
|---|---|
| 77-82-1265 | 3/2 Design control — primary reference U.S. Government activity |
| MIL-U-20625 | 4/1 Identification reference U.S. Government activity |
| 77-82-1265 1 | 5/9 Secondary reference U.S. Government activity |
NSN 2520-01-087-8558 is a Universal Joint,vehicular, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 2520-01-289-3903, 2520-01-649-4670. Verify interchangeability with system specifications before substitution.
Key specifications for 2520-01-087-8558: Design Type: SPIDER AND BEARINGSSPIDER AND BEARINGS; Overall Length: 5.750 INCHES NOMINAL5.750 INCHES NOMINAL IN; Connection End Type: HUB,BORED FIRST ENDHUB,BORED FIRST END; Connection End Type: HUB,BORED SECOND ENDHUB,BORED SECOND END. 3 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.