The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-425-6664, 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 Dynamics Land Systems Customer Service & Support Company Div General Dynamics Land Systems Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-425-6664 |
| Primary Part Number | 12374279 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | General Dynamics Land Systems Customer Service & Support Company Div General Dynamics Land Systems Inc |
| Status | ACTIVE |
| Bore Length | 0.2500 INCHES NOMINAL SECOND END IN |
| Overall Diameter | 3.900 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-225/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/8, ALLOY 6061, T6 FED SPEC 2ND MATERIAL RESPONSE |
| Features Provided | BORE COUNTERBORE |
| Bore Shape | STRAIGHT THROUGH BORE |
| Body Material | ALUMINUM |
| Threaded Hole Quantity | 4 |
| Unthreaded Hole Quantity | 4 |
| Thread Size Designator | 1/4-20 |
| Surface Treatment | PAINT |
| Bore Diameter | 1.6200 INCHES NOMINAL SECOND END IN |
| Hole Diameter | 0.293 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 |
|---|---|
| 12374279 PRIMARY | General Dynamics Land Systems Customer Service & Support Company Div General Dynamics Land Systems Inc (USA) |
| 12374279 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| Reference | Meaning |
|---|---|
| 12374279 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 12374279 | 5/9 Secondary reference General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
NSN 3010-01-425-6664 is a Coupling,shaft,rigid, manufactured by General Dynamics Land Systems Customer Service & Support Company Div General Dynamics Land Systems Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-425-6664 has 2 manufacturer part numbers on file: 12374279 (General Dynamics Land Systems Customer Service & Support Company Div General Dynamics Land Systems Inc), 12374279 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
Key specifications for 12374279: Bore Length: 0.2500 INCHES NOMINAL SECOND END IN; Overall Diameter: 3.900 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-225/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/8, ALLOY 6061, T6 FED SPEC 2ND MATERIAL RESPONSE; Overall Length: 4.030 INCHES NOMINAL IN. 12 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.