The Shaft Assembly,flexible, cataloged under National Stock Number 6680-00-239-5517, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-239-5517 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL SECOND END IN |
| Width Across Flats | 1.000 INCHES NOMINAL FIRST END IN |
| Cross Section Size and Location | 0.094 INCHES NOMINAL ACROSS FLATS BOTH ENDS IN |
| Casing Protective Device Type | PLASTIC COVER |
| End Connection Type | THREADED INTERNAL BOTH ENDS |
| Thread Depth | 0.313 INCHES NOMINAL SECOND END IN |
| Thread Depth | 0.375 INCHES NOMINAL FIRST END IN |
| Thread Location | INTERNAL BOTH ENDS |
| Core Diameter | 0.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Casing Length Between Ferrules | 67.500 INCHES NOMINAL IN |
| Core Rotation Direction | CLOCKWISE |
| Core Removability | REMOVABLE |
| Core Overall Length | 69.750 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNEF FIRST END |
| Screw Thread Series Designator | UNF SECOND END |
| Thread Class | 2B BOTH ENDS |
| Wrenching Facility Type | HEXAGON BOTH ENDS |
| Material | STEEL CORE |
| Material | STEEL CASING |
| Casing Outside Diameter | 0.313 INCHES NOMINAL IN |
| End Type | SQUARE MALE BOTH ENDS |
| Tip Length | 0.750 INCHES NOMINAL SECOND END IN |
| Tip Length | 1.000 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 |
| Reference | Meaning |
|---|---|
| 446745 70IN | 5/9 Secondary reference Stewart-Warner Corporation |
| 341208C91 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6680-00-239-5517 is a Shaft Assembly,flexible, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
Key specifications for 6680-00-239-5517: Width Across Flats: 0.750 INCHES NOMINAL SECOND END IN; Width Across Flats: 1.000 INCHES NOMINAL FIRST END IN; Cross Section Size and Location: 0.094 INCHES NOMINAL ACROSS FLATS BOTH ENDS IN; Casing Protective Device Type: PLASTIC COVER. 24 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.