The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-426-9132, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-426-9132 |
| Primary Part Number | M40011210 |
| 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 |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 3.980 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 3/8-16 BOTH ENDS |
| Keyway Width | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 1.8750 INCHES MAXIMUM 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 |
|---|---|
| 400-1-3/8X5/16 | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
| M40011210 PRIMARY | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
NSN 3010-01-426-9132 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 3010-01-426-9132 has 2 manufacturer part numbers on file: 400-1-3/8X5/16 (Magnaloy Coupling Co Div of Douville-Johnston Corp), M40011210 (Magnaloy Coupling Co Div of Douville-Johnston Corp).
Key specifications for M40011210: Securing Method: THREADED HOLE(S) BOTH ENDS; Design Type: INSERT; Keying Facility Type: KEYWAY BOTH ENDS; Overall Length: 4.240 INCHES NOMINAL IN. 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.