The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-423-9785, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-423-9785 |
| Primary Part Number | 6B4457 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Spline Minor Diameter | 0.6360 INCHES MINIMUM AND 0.6380 INCHES MAXIMUM BOTH ENDS IN |
| Spline Type | STRAIGHT FIRST END |
| Overall Diameter | 1.125 INCHES NOMINAL IN |
| Spline Length | 1.750 INCHES NOMINAL FIRST END IN |
| Style Designator | PLAIN SLEEVE |
| Spline Major Diameter | 0.7700 INCHES MINIMUM AND 0.7730 INCHES MAXIMUM BOTH ENDS IN |
| Bore Shape | SPLINED BOTH ENDS |
| Spline Quantity | 6 FIRST END |
| Body Material | STEEL |
| Unthreaded Hole Quantity | 1 |
| Hole Diameter | 0.2660 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 |
| Part Number | Manufacturer |
|---|---|
| 6B4457 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3010-00-423-9785 is a Coupling,shaft,rigid, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-423-9785 has 1 manufacturer part number on file: 6B4457 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 6B4457: Spline Minor Diameter: 0.6360 INCHES MINIMUM AND 0.6380 INCHES MAXIMUM BOTH ENDS IN; Spline Type: STRAIGHT FIRST END; Overall Diameter: 1.125 INCHES NOMINAL IN; Spline Length: 1.750 INCHES NOMINAL FIRST END IN. 11 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.