The Shaft Assembly,flexible, cataloged under National Stock Number 1680-00-783-8672, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-783-8672 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| FSC Application Data | MISCELLANEOUS ACFT ACCESSORIES AND COMPONENTS |
| Width Across Flats | 0.750 INCHES NOMINAL BOTH ENDS IN |
| End Overall Diameter | 0.875 INCHES NOMINAL BOTH ENDS IN |
| End Connection Type | UNION FERRULE BOTH ENDS |
| Thread Depth | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Thread Location | INTERNAL BOTH ENDS |
| Core Diameter | 0.150 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Casing Length Between Ferrules | 14.375 INCHES NOMINAL IN |
| Core Rotation Direction | CLOCKWISE OR COUNTERCLOCKWISE |
| Core Removability | NONREMOVABLE |
| Core Overall Length | 17.000 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNS BOTH ENDS |
| Wrenching Facility Type | HEXAGON BOTH ENDS |
| Material | STEEL CORE |
| Material | STEEL CASING |
| Casing Outside Diameter | 0.445 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 15939-016-00 | C/1 Advisory reference — outside the item-of-supply concept Safran Power Usa Llc |
| R196M52-1 | 3/2 Design control — primary reference U.S. Government activity |
| 15939LN16-00 | 5/9 Secondary reference Lennor Engineering Co |
| 15939-016-00 | 5/9 Secondary reference Lucas Aerospace Power Equipment Corporation |
| 32-64016-5 | 3/1 Design control — primary reference The Boeing Company Div Defense |
| 32-64016-35 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 32-64016-15 | 3/1 Design control — primary reference The Boeing Company Div Defense |
NSN 1680-00-783-8672 is a Shaft Assembly,flexible, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-783-8672: FSC Application Data: MISCELLANEOUS ACFT ACCESSORIES AND COMPONENTS; Width Across Flats: 0.750 INCHES NOMINAL BOTH ENDS IN; End Overall Diameter: 0.875 INCHES NOMINAL BOTH ENDS IN; End Connection Type: UNION FERRULE BOTH ENDS. 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.
NSN 1680-00-783-8672 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.