The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-421-4709, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kamewa Usa Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-421-4709 |
| Primary Part Number | 970278 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Kamewa Usa Inc |
| Status | ACTIVE |
| Keyway Depth | 16.9 MILLIMETERS NOMINAL FIRST END MM |
| Keyway Depth | 8.4 MILLIMETERS NOMINAL SECOND END MM |
| Bore Length | 134.7 MILLIMETERS NOMINAL FIRST END MM |
| Bore Length | 134.7 MILLIMETERS NOMINAL SECOND END MM |
| Design Type | INTERNAL GEAR |
| Keying Facility Type | KEYWAY FIRST END |
| Keying Facility Type | KEYWAY SECOND END |
| Outside Diameter | 346.0 MILLIMETERS NOMINAL MM |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE AND GEAR FLEX |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 SECOND END |
| Keying Facility Quantity | 1 FIRST END |
| Keyway Width | 36.0 MILLIMETERS NOMINAL SECOND END MM |
| Keyway Width | 38.8 MILLIMETERS NOMINAL FIRST END MM |
| Bore Diameter | 145.0 MILLIMETERS NOMINAL SECOND END MM |
| Bore Diameter | 149.2 MILLIMETERS NOMINAL FIRST END MM |
| 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 |
|---|---|
| HCCV 045 SPECIAL | Kamewa Usa Inc (USA) |
| 970278 PRIMARY | Kamewa Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 4 1/2H | 3/1 Design control — primary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| HCCV 045 SPECIAL | 5/9 Secondary reference Skf Usa Inc Dba Skf Usa Inc |
NSN 3010-01-421-4709 is a Coupling,shaft,flexible, manufactured by Kamewa Usa Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-421-4709 has 2 manufacturer part numbers on file: HCCV 045 SPECIAL (Kamewa Usa Inc), 970278 (Kamewa Usa Inc).
Key specifications for 970278: Keyway Depth: 16.9 MILLIMETERS NOMINAL FIRST END MM; Keyway Depth: 8.4 MILLIMETERS NOMINAL SECOND END MM; Bore Length: 134.7 MILLIMETERS NOMINAL FIRST END MM; Bore Length: 134.7 MILLIMETERS NOMINAL SECOND END MM. 16 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.