The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-372-9788, 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 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-372-9788 |
| Primary Part Number | M300B0916C/11210C/370N7 |
| 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 | CLAMPING HUB |
| Keying Facility Type | KEYWAY SECOND END |
| Spline Major Diameter | 0.6250 INCHES NOMINAL FIRST END IN |
| Outside Diameter | 3.450 INCHES NOMINAL IN |
| Features Provided | KEYWAY |
| Bore Shape | SPLINED FIRST END |
| Bore Shape | STRAIGHT SECOND END |
| Keying Facility Quantity | 1 SECOND END |
| Spline Quantity | 9 FIRST END |
| Keyway Width | 0.312 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 1.3750 INCHES NOMINAL 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 |
|---|---|
| 235273 | Allied Systems Company Dba Allied Systems Co (USA) |
| M300B0916C/11210C/370N7 PRIMARY | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
| 36906 ITEM 5 | Allied Systems Company Dba Allied Systems Co (USA) |
NSN 3010-01-372-9788 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 3010-01-372-9788 has 3 manufacturer part numbers on file: 235273 (Allied Systems Company Dba Allied Systems Co), M300B0916C/11210C/370N7 (Magnaloy Coupling Co Div of Douville-Johnston Corp), 36906 ITEM 5 (Allied Systems Company Dba Allied Systems Co).
Key specifications for M300B0916C/11210C/370N7: Securing Method: CLAMP BOTH ENDS; Design Type: CLAMPING HUB; Keying Facility Type: KEYWAY SECOND END; Overall Length: 3.580 INCHES NOMINAL IN. 12 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.