The Universal Joint,nonvehicular, cataloged under National Stock Number 3010-01-491-2673, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-491-2673 |
| Primary Part Number | 501-7066669-29 |
| Item Name | Universal Joint,nonvehicular |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Hub Spline Quantity | 10 FIRST END |
| Design Type | BLOCK AND PIN |
| Internal Hub Spline Major Diameter | 0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM FIRST END IN |
| Connection End Type | HUB,STRAIGHT SPLINE FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 501-7066669-29 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 77-82-1224 | 5/2 Secondary reference U.S. Government activity |
| H525-7708 | D/9 Drawing number reference only U.S. Government activity |
| H525-7708-29 | 5/2 Secondary reference U.S. Government activity |
| 7066669 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3010-01-491-2673 is a Universal Joint,nonvehicular, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-491-2673 has 1 manufacturer part number on file: 501-7066669-29 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-491-4242. Verify interchangeability with system specifications before substitution.
Key specifications for 501-7066669-29: Hub Spline Quantity: 10 FIRST END; Design Type: BLOCK AND PIN; Internal Hub Spline Major Diameter: 0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM FIRST END IN; Overall Length: 7.7500 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.