The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-419-6469, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-419-6469 |
| Primary Part Number | 7C9-05471 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: THROUGH HUB |
| Bore Length | 0.2000 INCHES NOMINAL FIRST END IN |
| Bore Length | 0.2000 INCHES NOMINAL SECOND END IN |
| Design Type | INSERT |
| Outside Diameter | 0.394 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 4-40 BOTH ENDS |
| Bore Diameter | 0.1880 INCHES NOMINAL FIRST END IN |
| Bore Diameter | 0.1260 INCHES NOMINAL SECOND END IN |
| Insert Material | PLASTIC |
| 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 |
|---|---|
| 7D3-05168-5 | Lake Shore Systems, Inc. (USA) |
| 7C9-05471 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7D3-05168 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 3010-01-419-6469 is a Coupling,shaft,flexible, manufactured by Lake Shore Systems, Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-419-6469 has 2 manufacturer part numbers on file: 7D3-05168-5 (Lake Shore Systems, Inc.), 7C9-05471 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3895-01-559-6031. Verify interchangeability with system specifications before substitution.
Key specifications for 7C9-05471: Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: THROUGH HUB; Bore Length: 0.2000 INCHES NOMINAL FIRST END IN; Bore Length: 0.2000 INCHES NOMINAL SECOND END IN. 12 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.