The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-314-4452, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-314-4452 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Spline Minor Diameter | 1.701 INCHES NOMINAL SECOND END IN |
| Spline Type | STRAIGHT SECOND END |
| Bore Length | 0.500 INCHES NOMINAL FIRST END IN |
| Spline Length | 2.750 INCHES NOMINAL SECOND END IN |
| Style Designator | PLAIN SLEEVE |
| Spline Major Diameter | 2.000 INCHES NOMINAL SECOND END IN |
| Bore Shape | STRAIGHT FIRST END |
| Bore Shape | SPLINED SECOND END |
| Spline Quantity | 6 SECOND END |
| Body Material | STEEL |
| Threaded Hole Quantity | 3 |
| Unthreaded Hole Quantity | 3 |
| Thread Size Designator | 3/8-16 |
| Bore Diameter | 2.025 INCHES NOMINAL FIRST END IN |
| Hole Diameter | 1.000 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 |
|---|---|
| 26M68-323-24 | 3/2 Design control — primary reference U.S. Government activity |
| 26M68-323 | D/9 Drawing number reference only U.S. Government activity |
| 26M68-323-24 | 5/9 Secondary reference At and T Document Development Organization |
NSN 3010-01-314-4452 is a Coupling,shaft,rigid, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3010-01-315-1079. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-01-314-4452: Spline Minor Diameter: 1.701 INCHES NOMINAL SECOND END IN; Spline Type: STRAIGHT SECOND END; Bore Length: 0.500 INCHES NOMINAL FIRST END IN; Spline Length: 2.750 INCHES NOMINAL SECOND END IN. 15 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.