The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-009-8964, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Fairbanks Morse, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-009-8964 |
| Primary Part Number | 2491296-1 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Keyway Depth | 0.0625 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: CENTERED 0.438 IN. FROM END OF HUB 90 DEG FROM KEYWAY IN |
| Bore Length | 0.8125 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 2.125 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 1/4-20 BOTH ENDS |
| Keyway Width | 0.125 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 0.4375 INCHES NOMINAL BOTH ENDS IN |
| Furnished Items and Quantity | SETSCREW 2 |
| Insert Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 2491296-1 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2491296-1 | 3/9 Design control — primary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
NSN 3010-01-009-8964 is a Coupling,shaft,flexible, manufactured by Fairbanks Morse, Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-009-8964 has 1 manufacturer part number on file: 2491296-1 (Fairbanks Morse, Llc).
Key specifications for 2491296-1: Keyway Depth: 0.0625 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: CENTERED 0.438 IN. FROM END OF HUB 90 DEG FROM KEYWAY IN; Bore Length: 0.8125 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.