The Coupling Half,shaft, cataloged under National Stock Number 3010-01-493-6491, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-493-6491 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 596-7409743-17 | 5/1 Secondary reference Naval Sea Systems Command |
| B831-6100-17 | 5/1 Secondary reference U.S. Government activity |
| EB-4124-2E | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-01-493-6491 is a Coupling Half,shaft, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-01-493-6491: Special Features: SEAWOLF CLASS SUBMARINE SSN 23 CARGO BAY RAMMER DRIVE; End Item Identification: HOIST DRIVE. 0 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.
NSN 3010-01-493-6491 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.