The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-021-5944, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rexnord Industries Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3010-01-021-5944 |
| Primary Part Number | 1050T10 1-7/8 IN. BORE |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Bore Length | 4.8800 INCHES NOMINAL BOTH ENDS IN |
| Design Type | GRID SPRING |
| Outside Diameter | 5.437 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT BOTH ENDS |
| Bore Diameter | 1.8750 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 |
|---|---|
| 1050T10 1-7/8 IN. BORE PRIMARY | Rexnord Industries Llc (USA) |
| 1803054-3 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1050T10 | 5/1 Secondary reference Rexnord Industries Llc |
| 50T10 | C/1 Advisory reference — outside the item-of-supply concept Rexnord Industries Llc |
| GF2050H 1-7/8 IN. BORE | 5/9 Secondary reference Emerson Electric Co Browning Mfg Div |
NSN 3010-01-021-5944 is a Coupling,shaft,flexible, manufactured by Rexnord Industries Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-021-5944 has 2 manufacturer part numbers on file: 1050T10 1-7/8 IN. BORE (Rexnord Industries Llc), 1803054-3 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-480-0024. Verify interchangeability with system specifications before substitution.
Key specifications for 1050T10 1-7/8 IN. BORE: Bore Length: 4.8800 INCHES NOMINAL BOTH ENDS IN; Design Type: GRID SPRING; Overall Length: 4.880 INCHES NOMINAL IN; Outside Diameter: 5.437 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.