The Insert,flexible Coupling, cataloged under National Stock Number 3010-00-438-2756, 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. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 — Torque Converters and Speed Changers (FSG 30) |
| Manufacturers | Magnaloy Coupling Co Div of Douville-Johnston Corp (CAGE 14204) |
| Parameter | Value |
|---|---|
| NSN | 3010-00-438-2756 |
| Primary Part Number | 370 |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Magnaloy Coupling Co Div of Douville-Johnston Corp |
| 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 |
|---|---|
| 370 PRIMARY | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
| 370-N7 PRIMARY | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
| Reference | Meaning |
|---|---|
| 370-N | 5/1 Secondary reference Magnaloy Coupling Co Div of Douville-Johnston Corp |
NSN 3010-00-438-2756 is a Insert,flexible Coupling, manufactured by Magnaloy Coupling Co Div of Douville-Johnston Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-438-2756 has 2 manufacturer part numbers on file: 370 (Magnaloy Coupling Co Div of Douville-Johnston Corp), 370-N7 (Magnaloy Coupling Co Div of Douville-Johnston Corp).
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.