The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-434-6541, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hobart Bros Co. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-434-6541 |
| Primary Part Number | 3DW-44A |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Hobart Bros Co |
| Status | ACTIVE |
| Keyway Depth | 0.1880 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: ON SIDE OF HUB CONNECTING WITH KEYWAY |
| Bore Length | 2.3750 INCHES NOMINAL BOTH ENDS IN |
| Design Type | DISK |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Keying Facility Spacing in Deg | 90.0 BOTH ENDS |
| Outside Diameter | 13.000 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Threaded Hole Quantity | 2 BOTH ENDS |
| Thread Size Designator | 0.375-16 BOTH ENDS |
| Keyway Width | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 2.5000 INCHES NOMINAL BOTH ENDS IN |
| Furnished Items and Quantity | BOLTS 6,LOCKWASHERS 6,KEYWAY 1 |
| 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 |
|---|---|
| 3DW-44A PRIMARY | Hobart Bros Co (USA) |
NSN 3010-00-434-6541 is a Coupling,shaft,flexible, manufactured by Hobart Bros Co, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-434-6541 has 1 manufacturer part number on file: 3DW-44A (Hobart Bros Co).
Key specifications for 3DW-44A: Keyway Depth: 0.1880 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: ON SIDE OF HUB CONNECTING WITH KEYWAY; Bore Length: 2.3750 INCHES NOMINAL BOTH ENDS IN. 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.