The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-546-7940, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2520-01-546-7940 |
| Primary Part Number | 7383858-H5257209A-001 |
| Item Name | Universal Joint,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| H525-7209-1D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-H5257209A-001D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| H547-0001-H5257209A-001D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 501-7108144-1D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-H5257209A-001 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 501-7108144-1 | 5/1 Secondary reference Naval Sea Systems Command |
| H525-7209-1 | 5/1 Secondary reference U.S. Government activity |
| H547-0001-H5257209A-001 | 5/1 Secondary reference U.S. Government activity |
NSN 2520-01-546-7940 is a Universal Joint,vehicular, manufactured by Naval Sea Systems Command, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-546-7940 has 5 manufacturer part numbers on file: H525-7209-1D4 (Naval Inventory Control Point Mechanicsburg), 7383858-H5257209A-001D4 (Naval Inventory Control Point Mechanicsburg), H547-0001-H5257209A-001D4 (Naval Inventory Control Point Mechanicsburg), 501-7108144-1D4 (Naval Inventory Control Point Mechanicsburg), 7383858-H5257209A-001 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-657-0415. Verify interchangeability with system specifications before substitution.
Key specifications for 7383858-H5257209A-001: Criticality Code Justification: FEAT; Special Features: QUALITY ASSURANCE TESTED AND CERTIFIED FOR DEEP SUBMERGENCE SYSTEMS; Part Name Assigned by Controlling Agency: JOINT UNIVERSAL. 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.