The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-451-0711, 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 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-451-0711 |
| Primary Part Number | 300-1-375-875 |
| 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 |
| Keyway Depth | 0.0937 INCHES NOMINAL SECOND END IN |
| Keyway Depth | 0.1560 INCHES NOMINAL FIRST END IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: ON TOP OF KEYWAY |
| Bore Length | 1.3620 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 3.450 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 | 5/16-18 SECOND END |
| Thread Size Designator | 7.16-14 FIRST END |
| Keyway Width | 0.3125 INCHES NOMINAL FIRST END IN |
| Keyway Width | 0.1875 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 1.3750 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 0.8750 INCHES NOMINAL FIRST END IN |
| Furnished Items and Quantity | SETSCREWS 2 |
| Insert Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| 300-1-375-875 PRIMARY | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
NSN 3010-00-451-0711 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 3010-00-451-0711 has 1 manufacturer part number on file: 300-1-375-875 (Magnaloy Coupling Co Div of Douville-Johnston Corp).
Key specifications for 300-1-375-875: Keyway Depth: 0.0937 INCHES NOMINAL SECOND END IN; Keyway Depth: 0.1560 INCHES NOMINAL FIRST END IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: ON TOP OF KEYWAY. 20 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.