The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-306-3178, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 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 | 3010-01-306-3178 |
| Primary Part Number | 274370 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Spline Minor Diameter | 2.1250 INCHES NOMINAL BOTH ENDS IN |
| Design Type | DOUBLE DISK |
| Spline Length | 3.031 INCHES NOMINAL SECOND END IN |
| Spline Major Diameter | 2.2500 INCHES NOMINAL BOTH ENDS IN |
| Features Provided | EXPOSED COUPLING BOLT TYPE AND SHROUDED COUPLING BOLT TYPE |
| Bore Shape | SPLINED BOTH ENDS |
| Spline Quantity | 6 BOTH ENDS |
| 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 |
|---|---|
| 274370 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3010-01-306-3178 is a Coupling,shaft,flexible, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-306-3178 has 1 manufacturer part number on file: 274370 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 274370: Spline Minor Diameter: 2.1250 INCHES NOMINAL BOTH ENDS IN; Design Type: DOUBLE DISK; Spline Length: 3.031 INCHES NOMINAL SECOND END IN; Spline Major Diameter: 2.2500 INCHES NOMINAL BOTH ENDS IN. 7 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.