The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-588-1239, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-588-1239 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Spline Minor Diameter | 1.4880 INCHES NOMINAL THROUGH BORE IN |
| Spline Type | STRAIGHT THROUGH BORE |
| Overall Diameter | 2.500 INCHES NOMINAL IN |
| Spline Length | 4.000 INCHES NOMINAL THROUGH BORE IN |
| Style Designator | PLAIN SLEEVE |
| Spline Major Diameter | 1.7500 INCHES NOMINAL THROUGH BORE IN |
| Features Provided | BORE COUNTERBORE |
| Bore Shape | SPLINED THROUGH BORE |
| Spline Quantity | 16 THROUGH BORE |
| Body Material | STEEL |
| 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 |
|---|---|
| X1653 | 5/9 Secondary reference Paccar Government Group Co Yarrow Bay Office Pk |
| Y1653 | 3/9 Design control — primary reference Paccar Government Group Co Yarrow Bay Office Pk |
NSN 3010-00-588-1239 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): 5120-01-631-3700. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-00-588-1239: Spline Minor Diameter: 1.4880 INCHES NOMINAL THROUGH BORE IN; Spline Type: STRAIGHT THROUGH BORE; Overall Diameter: 2.500 INCHES NOMINAL IN; Spline Length: 4.000 INCHES NOMINAL THROUGH BORE IN. 10 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.