The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-389-3311, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ameridrives International Llc Dba Ameridrives International Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3010-01-389-3311 |
| Primary Part Number | 2C8-04703 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Ameridrives International Llc Dba Ameridrives International Llc |
| Status | ACTIVE |
| Keyway Depth | 0.3750 INCHES NOMINAL FIRST END IN |
| Keyway Depth | 0.3120 INCHES NOMINAL SECOND END IN |
| Bore Length | 3.0310 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 3.0310 INCHES NOMINAL BOTH ENDSUNABLE TO DECODE IN |
| Design Type | INTERNAL GEAR |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Keying Facility Type | KEYWAY BOTH ENDSUNABLE TO DECODE |
| Outside Diameter | 8.380 INCHES NOMINAL IN |
| Features Provided | KEYWAY AND EXPOSED COUPLING BOLT TYPE AND SPLINE GEAR TEETH AND SHROUDED COUPLING BOLT TYPE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Bore Shape | STRAIGHT BOTH ENDSUNABLE TO DECODE |
| Keying Facility Quantity | 1 BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDSUNABLE TO DECODE |
| Keyway Width | 0.625 INCHES NOMINAL SECOND END IN |
| Keyway Width | 0.750 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 2.3745 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 2.7505 INCHES NOMINAL FIRST END 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 |
|---|---|
| 2C8-04703 PRIMARY | Ameridrives International Llc Dba Ameridrives International Llc (USA) |
| Reference | Meaning |
|---|---|
| F202-1/2SB | 3/1 Design control — primary reference Ameridrives International Llc Dba Ameridrives International Llc |
NSN 3010-01-389-3311 is a Coupling,shaft,flexible, manufactured by Ameridrives International Llc Dba Ameridrives International Llc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-389-3311 has 1 manufacturer part number on file: 2C8-04703 (Ameridrives International Llc Dba Ameridrives International Llc).
Key specifications for 2C8-04703: Keyway Depth: 0.3750 INCHES NOMINAL FIRST END IN; Keyway Depth: 0.3120 INCHES NOMINAL SECOND END IN; Bore Length: 3.0310 INCHES NOMINAL BOTH ENDS IN; Bore Length: 3.0310 INCHES NOMINAL BOTH ENDSUNABLE TO DECODE IN. 17 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.