The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-223-0846, 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. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 — Torque Converters and Speed Changers (FSG 30) |
| Manufacturers | Fairbanks Morse, Llc (CAGE 7PZX0); Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (CAGE 75394) |
| Parameter | Value |
|---|---|
| NSN | 3010-01-223-0846 |
| Primary Part Number | 21901149 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 21901149 PRIMARY | Fairbanks Morse, Llc (USA) |
| CD32666 | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| DRP-14740A REFERENCE 11 | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| DRP-14740A REFERENCE 11 | 5/9 Secondary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| 21901149 | 3/9 Design control — primary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
NSN 3010-01-223-0846 is a Coupling,shaft,flexible, manufactured by Fairbanks Morse, Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-223-0846 has 3 manufacturer part numbers on file: 21901149 (Fairbanks Morse, Llc), CD32666 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division), DRP-14740A REFERENCE 11 (Fairbanks Morse, Llc).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-697-9620. Verify interchangeability with system specifications before substitution.
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.