The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-251-3184, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is TB Woods's Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-251-3184 |
| Primary Part Number | 6E 6S1 6S1-3/8 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | TB Woods's Corporation |
| Status | ACTIVE |
| Keyway Depth | 0.2500 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| 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 |
|---|---|
| 6E 6S1 6S1-3/8 PRIMARY | TB Woods's Corporation (USA) |
| Reference | Meaning |
|---|---|
| 7E/2-7SX1-7/8 | 5/9 Secondary reference TB Woods's Corporation |
| F440-29681 TYPE | C/1 Advisory reference — outside the item-of-supply concept TB Woods's Corporation |
| F440-29681 TYPE S | 5/9 Secondary reference TB Woods's Corporation |
| 6E, 651, 65 13/8 | 5/9 Secondary reference TB Woods's Corporation |
NSN 3010-01-251-3184 is a Coupling,shaft,flexible, manufactured by TB Woods's Corporation, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-251-3184 has 1 manufacturer part number on file: 6E 6S1 6S1-3/8 (TB Woods's Corporation).
Key specifications for 6E 6S1 6S1-3/8: Keyway Depth: 0.2500 INCHES NOMINAL BOTH ENDS IN; Design Type: INSERT; Overall Length: 3.9375 INCHES NOMINAL IN. 2 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.