The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-721-4142, 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. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Universal Joint,vehicular |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-721-4142 |
| Primary Part Number | 581-8843219-178 |
| Item Name | Universal Joint,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 581-8843219-178 PRIMARY | Naval Sea Systems Command (USA) |
| 581-8843219-183 PRIMARY | Naval Sea Systems Command (USA) |
| 581-8843219-182 PRIMARY | Naval Sea Systems Command (USA) |
| 581-8843219-180 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| R611401-182 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| R6111401 | D/9 Drawing number reference only U.S. Government activity |
| 218142690-183 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| LOA037021/C-180 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 218142690 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| LOA037021/C-183 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| LOA037021/C-178 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| LOA037021/C | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 218142690-182 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| R611401-183 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| R611401-180 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 218142690-180 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| LOA037021/C-182 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 218142690-178 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| R611401-178 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 581-8843219 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2520-01-721-4142 is a Universal Joint,vehicular, manufactured by Naval Sea Systems Command, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-721-4142 has 4 manufacturer part numbers on file: 581-8843219-178 (Naval Sea Systems Command), 581-8843219-183 (Naval Sea Systems Command), 581-8843219-182 (Naval Sea Systems Command), 581-8843219-180 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-722-1527. Verify interchangeability with system specifications before substitution.
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.