The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-373-7962, 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 10 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 | 3010-01-373-7962 |
| Primary Part Number | M500-1.375/B1316C/570U |
| 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 | CLAMP BOTH ENDS |
| Design Type | INSERT |
| Spline Major Diameter | 0.8750 INCHES NOMINAL SECOND END IN |
| Outside Diameter | 4.800 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT FIRST END |
| Bore Shape | SPLINED SECOND END |
| Spline Quantity | 13 SECOND END |
| Bore Diameter | 0.8750 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 1.3750 INCHES NOMINAL FIRST END IN |
| Insert Material | RUBBER |
| 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 |
|---|---|
| M500-1.375/B1316C/U | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
| M500-1.375/B1316C/570U PRIMARY | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
NSN 3010-01-373-7962 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 3010-01-373-7962 has 2 manufacturer part numbers on file: M500-1.375/B1316C/U (Magnaloy Coupling Co Div of Douville-Johnston Corp), M500-1.375/B1316C/570U (Magnaloy Coupling Co Div of Douville-Johnston Corp).
Key specifications for M500-1.375/B1316C/570U: Securing Method: CLAMP BOTH ENDS; Design Type: INSERT; Overall Length: 4.670 INCHES NOMINAL IN; Spline Major Diameter: 0.8750 INCHES NOMINAL SECOND END IN. 10 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.