The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-311-7644, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Electric Company. Government technical data includes 16 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 | 3010-01-311-7644 |
| Primary Part Number | 9459M31P20 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Spline Minor Diameter | 1.0390 INCHES NOMINAL SECOND END IN |
| Spline Minor Diameter | 1.4070 INCHES NOMINAL THROUGH BORE IN |
| Spline Type | INVOLUTE FIRST END |
| Overall Diameter | 2.120 INCHES NOMINAL IN |
| Spline Length | 1.380 INCHES NOMINAL SECOND END IN |
| Spline Length | 1.310 INCHES NOMINAL THROUGH BORE IN |
| Style Designator | INTERNAL/EXTERNAL SPLINE |
| Material Document and Classification | SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE |
| Spline Major Diameter | 1.2620 INCHES NOMINAL SECOND END IN |
| Spline Major Diameter | 1.7360 INCHES NOMINAL THROUGH BORE IN |
| Features Provided | BORE COUNTERBORE |
| Bore Shape | SPLINED FIRST END |
| Spline Pressure Angle in Deg | 30.000 FIRST END |
| Spline Quantity | 24 SECOND END |
| Spline Quantity | 26 THROUGH BORE |
| Body Material | STEEL COMP 4140 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9459M31P20 PRIMARY | General Electric Company (USA) |
NSN 3010-01-311-7644 is a Coupling,shaft,rigid, manufactured by General Electric Company, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-311-7644 has 1 manufacturer part number on file: 9459M31P20 (General Electric Company).
Key specifications for 9459M31P20: Spline Minor Diameter: 1.0390 INCHES NOMINAL SECOND END IN; Spline Minor Diameter: 1.4070 INCHES NOMINAL THROUGH BORE IN; Spline Type: INVOLUTE FIRST END; Overall Diameter: 2.120 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.
NSN 3010-01-311-7644 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.