The Coupling Half,shaft, cataloged under National Stock Number 3010-01-440-5257, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-440-5257 |
| Primary Part Number | 3J12 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | TB Woods's Corporation |
| Status | ACTIVE |
| Bore Length | 0.8120 INCHES NOMINAL IN |
| Body Style | MULTI JAW |
| Outside Diameter | 2.062 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT |
| Bore Diameter | 0.5000 INCHES NOMINAL IN |
| Material | ZINC |
| 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 |
|---|---|
| 685144-36047 | Lovejoy, Llc Div Lovejoy (USA) |
| 3J12 PRIMARY | TB Woods's Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3JX1/2 | C/1 Advisory reference — outside the item-of-supply concept Rise Holdings Llc Dba All-Craft Wellman Products Div Rise Holdings Llc Dba All-Craft Wellman Products |
| 3JX1/2 | 5/9 Secondary reference TB Woods's Corporation |
NSN 3010-01-440-5257 is a Coupling Half,shaft, manufactured by TB Woods's Corporation, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-440-5257 has 2 manufacturer part numbers on file: 685144-36047 (Lovejoy, Llc Div Lovejoy), 3J12 (TB Woods's Corporation).
Key specifications for 3J12: Bore Length: 0.8120 INCHES NOMINAL IN; Body Style: MULTI JAW; Overall Length: 0.812 INCHES NOMINAL IN; Outside Diameter: 2.062 INCHES NOMINAL IN. 7 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.