The Shaft Assembly,flexible, cataloged under National Stock Number 1680-00-528-1729, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Safran Power Usa Llc. Government technical data includes 26 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-528-1729 |
| Primary Part Number | 99070-008-24 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Safran Power Usa Llc |
| Status | ACTIVE |
| FSC Application Data | FLAP,COWL INSTALLATION,AIRCRAFT |
| Width Across Flats | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Spline Type | INVOLUTE BOTH ENDS |
| Cross Section Size and Location | 0.406 INCHES NOMINAL DIAMETER BOTH ENDS IN |
| End Connection Type | THREADED INTERNAL BOTH ENDS |
| Spline Length | 0.232 INCHES MINIMUM AND 0.255 INCHES MAXIMUM BOTH ENDS IN |
| Thread Depth | 0.219 INCHES NOMINAL BOTH ENDS IN |
| Pitch Diameter | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Spline Major Diameter | 0.304 INCHES MINIMUM AND 0.310 INCHES MAXIMUM BOTH ENDS IN |
| Thread Location | INTERNAL BOTH ENDS |
| Core Diameter | 0.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Spline Pressure Angle in Deg | 14.5 BOTH ENDS |
| Spline Quantity | 12 BOTH ENDS |
| Casing Length Between Ferrules | 8.750 INCHES NOMINAL IN |
| Core Rotation Direction | CLOCKWISE OR COUNTERCLOCKWISE |
| Core Removability | REMOVABLE |
| Core Overall Length | 9.688 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNS BOTH ENDS |
| Thread Class | 2A BOTH ENDS A |
| Wrenching Facility Type | HEXAGON BOTH ENDS |
| Material | STEEL CORE |
| Material | STEEL CASING |
| Casing Outside Diameter | 0.445 INCHES NOMINAL IN |
| End Type | ROUND, INTERNAL SPLINED BOTH ENDS |
| Tip Length | 0.232 INCHES MINIMUM AND 0.255 INCHES MAXIMUM BOTH ENDS 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 |
| Part Number | Manufacturer |
|---|---|
| 99070-008-24 PRIMARY | Safran Power Usa Llc (USA) |
| 716AX875 | Safran Power Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 99070-008-24 | 3/9 Design control — primary reference Lucas Aerospace Power Equipment Corporation |
| 716AX875 | 5/9 Secondary reference Ge Aviation Systems Llc |
| 99070-008-24 | 5/9 Secondary reference Ge Aviation Systems Llc |
| 716AX875 | 5/9 Secondary reference Lucas Aerospace Power Equipment Corporation |
NSN 1680-00-528-1729 is a Shaft Assembly,flexible, manufactured by Safran Power Usa Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-528-1729 has 2 manufacturer part numbers on file: 99070-008-24 (Safran Power Usa Llc), 716AX875 (Safran Power Usa Llc).
Key specifications for 99070-008-24: FSC Application Data: FLAP,COWL INSTALLATION,AIRCRAFT; Width Across Flats: 0.750 INCHES NOMINAL BOTH ENDS IN; Spline Type: INVOLUTE BOTH ENDS; Cross Section Size and Location: 0.406 INCHES NOMINAL DIAMETER BOTH ENDS IN. 26 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 1680-00-528-1729 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.