The Coupling,shaft,rigid, cataloged under National Stock Number 3010-00-741-3947, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-741-3947 |
| Primary Part Number | M23087 |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Bore Length | 3.6250 INCHES NOMINAL BOTH ENDS IN |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Style Designator | PLAIN SLEEVE |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT BOTH ENDS |
| Body Material | STEEL |
| Threaded Hole Quantity | 1 |
| Thread Size Designator | 3/8-16 |
| Bore Diameter | 1.2510 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 |
|---|---|
| 7413947 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| M23087 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| M307556 | 5/9 Secondary reference Spalla Inc |
| M23087 | 5/9 Secondary reference Vickers Inc |
| KC2795 | 5/9 Secondary reference Diamond Reo Truck Co |
| M307556 | 5/9 Secondary reference Garwood/feller Inc Garwood Winch Div |
NSN 3010-00-741-3947 is a Coupling,shaft,rigid, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-741-3947 has 2 manufacturer part numbers on file: 7413947 (U S Army Tank Automotive Command Amsta-Im-Mm), M23087 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for M23087: Bore Length: 3.6250 INCHES NOMINAL BOTH ENDS IN; Overall Diameter: 2.000 INCHES NOMINAL IN; Style Designator: PLAIN SLEEVE; Overall Length: 3.625 INCHES NOMINAL IN. 9 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.