The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-121-1990, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Woods T B Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-121-1990 |
| Primary Part Number | F2-1IN.BORE |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Woods T B Inc |
| Status | ACTIVE |
| Design Type | INTERNAL GEAR |
| Outside Diameter | 7.000 INCHES NOMINAL 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 |
|---|---|
| F2-1IN.BORE PRIMARY | Woods T B Inc (USA) |
| F102-1IN.BORE PRIMARY | Ameridrives International Llc Dba Ameridrives International Llc (USA) |
| 2HM-1IN.BORE PRIMARY | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| 1020G20-1IN.BORE | Rexnord Industries Llc (USA) |
| 2W-1IN.BORE PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| Reference | Meaning |
|---|---|
| F2 | 5/1 Secondary reference Woods T B Inc |
NSN 3010-01-121-1990 is a Coupling,shaft,flexible, manufactured by Woods T B Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-121-1990 has 5 manufacturer part numbers on file: F2-1IN.BORE (Woods T B Inc), F102-1IN.BORE (Ameridrives International Llc Dba Ameridrives International Llc), 2HM-1IN.BORE (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), 1020G20-1IN.BORE (Rexnord Industries Llc), 2W-1IN.BORE (Reliance Electric Company Dba Reliance & Dodge Brands).
Key specifications for F2-1IN.BORE: Design Type: INTERNAL GEAR; Overall Length: 5.000 INCHES NOMINAL IN; Outside Diameter: 7.000 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.