The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-641-7993, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Universal Joint,vehicular |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-641-7993 |
| Primary Part Number | 516-5486658 ITEM 044D4 |
| Item Name | Universal Joint,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| 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 |
|---|---|
| 516-5486658 ITEM 044D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 5486658 ASSY-C SIZE 1.75D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 5486658 ASSY-C SIZE 1.75 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 516-5486658 ITEM 044 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 2520-01-641-7993 is a Universal Joint,vehicular, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-641-7993 has 2 manufacturer part numbers on file: 516-5486658 ITEM 044D4 (Naval Inventory Control Point Mechanicsburg), 5486658 ASSY-C SIZE 1.75D4 (Naval Inventory Control Point Mechanicsburg).
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.