The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-286-9767, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-286-9767 |
| Primary Part Number | 4W 4-1/2IN.BORE |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Keyway Depth | 0.5000 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 4.7500 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INTERNAL GEAR |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 12.500 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE AND SPLINE GEAR TEETH |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keyway Width | 1.0000 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 4.5000 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 |
|---|---|
| 4W 4-1/2IN.BORE PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| Reference | Meaning |
|---|---|
| WCS4W | 5/9 Secondary reference Somerset Engineering Div Midland-Ross Corp |
NSN 3010-01-286-9767 is a Coupling,shaft,flexible, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-286-9767 has 1 manufacturer part number on file: 4W 4-1/2IN.BORE (Reliance Electric Company Dba Reliance & Dodge Brands).
Key specifications for 4W 4-1/2IN.BORE: Keyway Depth: 0.5000 INCHES NOMINAL BOTH ENDS IN; Bore Length: 4.7500 INCHES NOMINAL BOTH ENDS IN; Design Type: INTERNAL GEAR; Keying Facility Type: KEYWAY BOTH ENDS. 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.