The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-310-0223, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-310-0223 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Status | ACTIVE |
| Keyway Depth | 0.1560 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 1.3750 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 0.312 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 1.1250 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 |
| Reference | Meaning |
|---|---|
| 29460 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-01-310-0223 is a Coupling,shaft,flexible, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4320-01-546-8012, 8040-01-611-2114, 2590-01-644-8767. Verify interchangeability with system specifications before substitution.
Key specifications for 3010-01-310-0223: Keyway Depth: 0.1560 INCHES NOMINAL BOTH ENDS IN; Bore Length: 1.3750 INCHES NOMINAL BOTH ENDS IN; Design Type: INSERT; Keying Facility Type: KEYWAY BOTH ENDS. 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.