The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-009-4257, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-009-4257 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Spline Minor Diameter | 0.3500 INCHES NOMINAL BOTH ENDS IN |
| Spline Type | INVOLUTE BOTH ENDS |
| Overall Diameter | 0.562 INCHES NOMINAL IN |
| Spline Length | 2.060 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | PLAIN SLEEVE |
| Material Document and Classification | AMS 5738 ASSN STD 1ST MATERIAL RESPONSE OR MIL-T-6845 MIL SPEC 2ND MATERIAL RESPONSE |
| Spline Major Diameter | 0.3810 INCHES NOMINAL BOTH ENDS IN |
| Features Provided | BORE COUNTERBORE |
| Bore Shape | SPLINED BOTH ENDS |
| Spline Pressure Angle in Deg | 45.000 BOTH ENDS |
| Spline Quantity | 20 BOTH ENDS |
| Body Material | STEEL CORROSION RESISTING |
| Unthreaded Hole Quantity | 2 |
| Hole Diameter | 0.0930 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3440591 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-01-009-4257 is a Coupling,shaft,rigid, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-01-009-4257: Spline Minor Diameter: 0.3500 INCHES NOMINAL BOTH ENDS IN; Spline Type: INVOLUTE BOTH ENDS; Overall Diameter: 0.562 INCHES NOMINAL IN; Spline Length: 2.060 INCHES NOMINAL BOTH ENDS IN. 14 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.