The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-712-4546, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 8 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 | 3010-00-712-4546 |
| Primary Part Number | 7124546 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Bore Length | 6.4680 INCHES MINIMUM AND 6.5940 INCHES MAXIMUM BOTH ENDS IN |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Features Provided | BORE COUNTERBORE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Body Material | STEEL |
| Surface Treatment | PHOSPHATE |
| Bore Diameter | 0.5000 INCHES NOMINAL BOTH ENDS 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 |
|---|---|
| 7124546 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3010-00-712-4546 is a Coupling,shaft,rigid, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-712-4546 has 1 manufacturer part number on file: 7124546 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7124546: Bore Length: 6.4680 INCHES MINIMUM AND 6.5940 INCHES MAXIMUM BOTH ENDS IN; Overall Diameter: 0.750 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE; Overall Length: 6.515 INCHES MINIMUM AND 6.547 INCHES MAXIMUM IN. 8 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.