The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-397-5743, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-397-5743 |
| Primary Part Number | 32100-0044/3HF ROUGH BORE |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Bore Length | 3.5938 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INTERNAL GEAR |
| Outside Diameter | 9.438 INCHES NOMINAL IN |
| Features Provided | SHROUDED COUPLING BOLT TYPE |
| Bore Shape | ROUGH STOCK BOTH ENDS |
| Bore Diameter | 3.3750 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 |
|---|---|
| 32100-0044/3HF ROUGH BORE PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 3HF | 5/9 Secondary reference Timken Gears & Services Inc. Div Philadelphia Gear |
NSN 3010-01-397-5743 is a Coupling,shaft,flexible, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-397-5743 has 1 manufacturer part number on file: 32100-0044/3HF ROUGH BORE (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 32100-0044/3HF ROUGH BORE: Bore Length: 3.5938 INCHES NOMINAL BOTH ENDS IN; Design Type: INTERNAL GEAR; Overall Length: 7.187 INCHES NOMINAL IN; Outside Diameter: 9.438 INCHES NOMINAL IN. 6 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.