The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-310-6977, 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 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-310-6977 |
| Primary Part Number | 516-5343908 ITEM 6 |
| Item Name | Universal Joint,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Type | SPIDER AND BEARINGS |
| Shaft Spline Quantity | 10 LOCATION NOT OTHERWISE SPECIFIED |
| Connection End Type | SHAFT,STRAIGHT SPLINE FIRST END |
| Connection End Type | SHAFT,STRAIGHT SPLINE SECOND END |
| External Shaft Spline Major Diameter | 1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| 516-5343908 ITEM 6 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5343908-0006 | 3/2 Design control — primary reference U.S. Government activity |
| 5343908 | D/9 Drawing number reference only U.S. Government activity |
| 516-5343908 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 2520-01-310-6977 is a Universal Joint,vehicular, manufactured by Naval Sea Systems Command, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-310-6977 has 1 manufacturer part number on file: 516-5343908 ITEM 6 (Naval Sea Systems Command).
Key specifications for 516-5343908 ITEM 6: Design Type: SPIDER AND BEARINGS; Shaft Spline Quantity: 10 LOCATION NOT OTHERWISE SPECIFIED; Overall Length: 4.250 INCHES NOMINAL IN; Connection End Type: SHAFT,STRAIGHT SPLINE FIRST END. 5 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.