The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-449-2832, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Magnaloy Coupling Co Div of Douville-Johnston Corp. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-449-2832 |
| Primary Part Number | M056422AA |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Magnaloy Coupling Co Div of Douville-Johnston Corp |
| Status | ACTIVE |
| Outside Diameter | 6.810 INCHES NOMINAL IN |
| Bore Shape | TAPERED THROUGH BORE |
| Insert Material | ALUMINUM |
| 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 |
|---|---|
| M056422AA PRIMARY | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
| Reference | Meaning |
|---|---|
| M056422AA(4A) | C/1 Advisory reference — outside the item-of-supply concept Magnaloy Coupling Co Div of Douville-Johnston Corp |
NSN 3010-01-449-2832 is a Coupling,shaft,flexible, manufactured by Magnaloy Coupling Co Div of Douville-Johnston Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-449-2832 has 1 manufacturer part number on file: M056422AA (Magnaloy Coupling Co Div of Douville-Johnston Corp).
Key specifications for M056422AA: Overall Length: 4.500 INCHES NOMINAL IN; Outside Diameter: 6.810 INCHES NOMINAL IN; Bore Shape: TAPERED THROUGH BORE; Insert Material: ALUMINUM. 3 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.