The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-260-3208, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-260-3208 |
| Primary Part Number | 271684 |
| 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 | 1.4870 INCHES MINIMUM AND 1.4880 INCHES MAXIMUM FIRST END IN |
| Design Type | GRID SPRING |
| Spline Length | 2.750 INCHES NOMINAL BOTH ENDS IN |
| Spline Major Diameter | 1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM FIRST END IN |
| Outside Diameter | 7.625 INCHES NOMINAL IN |
| Counterbore Depth | 0.5000 INCHES NOMINAL BOTH ENDS IN |
| Features Provided | COUNTERBORE AND EXPOSED COUPLING BOLT TYPE AND STANDARD GRID SPRING AND SHROUDED COUPLING BOLT TYPE |
| Bore Shape | SPLINED BOTH ENDS |
| Spline Quantity | 6 BOTH ENDS |
| Counterbore Diameter | 1.7660 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 |
|---|---|
| 271684 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| BUWEPSDWG271684 PRIMARY | Navsurfwarcen Det Picatinny (USA) |
| Reference | Meaning |
|---|---|
| BUWEPSDWG271684 | 5/9 Secondary reference Department of the Navy Naval Surface Warfare Center Crane Detachment |
NSN 3010-00-260-3208 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 3010-00-260-3208 has 2 manufacturer part numbers on file: 271684 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BUWEPSDWG271684 (Navsurfwarcen Det Picatinny).
Key specifications for 271684: Spline Minor Diameter: 1.4870 INCHES MINIMUM AND 1.4880 INCHES MAXIMUM FIRST END IN; Design Type: GRID SPRING; Spline Length: 2.750 INCHES NOMINAL BOTH ENDS IN; Overall Length: 6.625 INCHES NOMINAL IN. 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.