The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-274-9487, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-274-9487 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Spline Minor Diameter | 0.4617 INCHES MINIMUM AND 0.4667 INCHES MAXIMUM SECOND END IN |
| Spline Type | INVOLUTE SECOND END |
| Bore Length | 0.750 INCHES NOMINAL FIRST END IN |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Spline Length | 1.125 INCHES NOMINAL SECOND END IN |
| Style Designator | PLAIN SLEEVE |
| Material Document and Classification | MIL-S-7720, COMP 303 MIL SPEC SINGLE MATERIAL RESPONSE |
| Spline Major Diameter | 0.5417 INCHES MINIMUM AND 0.5507 INCHES MAXIMUM SECOND END IN |
| Bore Shape | STRAIGHT FIRST END |
| Bore Shape | SPLINED SECOND END |
| Spline Pressure Angle in Deg | 30.000 SECOND END |
| Spline Quantity | 12 SECOND END |
| Body Material | STEEL COMP 303 |
| Unthreaded Hole Quantity | 2 |
| Bore Diameter | 0.621 INCHES MINIMUM AND 0.623 INCHES MAXIMUM FIRST END IN |
| Hole Diameter | 0.156 INCHES NOMINAL 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 |
|---|---|
| 948431 | D/9 Drawing number reference only U.S. Government activity |
| 948431-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-01-274-9487 is a Coupling,shaft,rigid, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-01-274-9487: Spline Minor Diameter: 0.4617 INCHES MINIMUM AND 0.4667 INCHES MAXIMUM SECOND END IN; Spline Type: INVOLUTE SECOND END; Bore Length: 0.750 INCHES NOMINAL FIRST END IN; Overall Diameter: 0.875 INCHES NOMINAL IN. 16 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.