The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-378-6637, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-378-6637 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Style Designator | INTERNAL/EXTERNAL SPLINE |
| Body Material | STEEL |
| Surface Treatment | CADMIUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5001862 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-01-378-6637 is a Coupling,shaft,rigid, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-01-378-6637: Overall Diameter: 2.000 INCHES NOMINAL IN; Style Designator: INTERNAL/EXTERNAL SPLINE; Overall Length: 3.500 INCHES NOMINAL IN; Body Material: STEEL. 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.
NSN 3010-01-378-6637 has DEMIL Code Q. 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.