The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-022-4037, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Aimtron Systems, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-022-4037 |
| Primary Part Number | 503737 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: CENTERED 0.312 IN. FROM FACE OF HUB IN |
| Bore Length | 0.5000 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Bore Shape | STRAIGHT BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 0.190-24 BOTH ENDS |
| Width | 1.875 INCHES NOMINAL IN |
| Bore Diameter | 0.2500 INCHES NOMINAL BOTH ENDS IN |
| Furnished Items and Quantity | SETSCREW 2 |
| Insert Material | PLASTIC |
| 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 |
|---|---|
| 503737 PRIMARY | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3010PL0801311 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 503737 | 5/9 Secondary reference Cardion Inc |
| CC3-1 | 5/9 Secondary reference W. M. Berg, Inc. |
| CC3-1 | 5/9 Secondary reference Rexnord Industries Llc Div Stearns |
NSN 3010-01-022-4037 is a Coupling,shaft,flexible, manufactured by Aimtron Systems, Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-022-4037 has 1 manufacturer part number on file: 503737 (Aimtron Systems, Llc).
Key specifications for 503737: Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: CENTERED 0.312 IN. FROM FACE OF HUB IN; Bore Length: 0.5000 INCHES NOMINAL BOTH ENDS IN; Design Type: INSERT. 11 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.