The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-545-1261, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-545-1261 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Keyway Depth | 0.0469 INCHES NOMINAL SECOND END IN |
| Keyway Depth | 0.0625 INCHES NOMINAL FIRST END IN |
| Bore Length | 1.0625 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INTERNAL GEAR |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Keying Facility Spacing in Deg | 0.0 BOTH ENDS |
| Outside Diameter | 2.125 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND SPLINE GEAR TEETH |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 0.125 INCHES NOMINAL FIRST END IN |
| Keyway Width | 0.094 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 0.5000 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 0.4375 INCHES NOMINAL SECOND END IN |
| Furnished Items and Quantity | RETAINER 4,O-RING 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 524C237H01 | 3/2 Design control — primary reference U.S. Government activity |
| 616F358PC27 | 5/2 Secondary reference U.S. Government activity |
NSN 3010-00-545-1261 is a Coupling,shaft,flexible, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
Key specifications for 3010-00-545-1261: Keyway Depth: 0.0469 INCHES NOMINAL SECOND END IN; Keyway Depth: 0.0625 INCHES NOMINAL FIRST END IN; Bore Length: 1.0625 INCHES NOMINAL BOTH ENDS IN; Design Type: INTERNAL GEAR. 15 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.