The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-359-2948, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-359-2948 |
| Primary Part Number | 717801953-001 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: ON HUB |
| Bore Length | 0.7500 INCHES NOMINAL BOTH ENDS IN |
| Design Type | DOUBLE HELICAL FLEXURE |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 1/4-56 BOTH ENDS |
| Bore Diameter | 0.1875 INCHES NOMINAL SECOND END IN |
| Bore Diameter | 0.1200 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 |
|---|---|
| 717801953-001 | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6220X1-6-4M | 3/9 Design control — primary reference Matthew Warren, Inc Div Helical Products |
| 717801953 | 7/2 Vendor item drawing reference Lockheed Martin Corporation |
NSN 3010-01-359-2948 is a Coupling,shaft,flexible, manufactured by Lockheed Martin Corporation, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-359-2948 has 1 manufacturer part number on file: 717801953-001 (Lockheed Martin Corporation).
Key specifications for 717801953-001: Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: ON HUB; Bore Length: 0.7500 INCHES NOMINAL BOTH ENDS IN; Design Type: DOUBLE HELICAL FLEXURE. 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.