The Shaft Assembly,flexible, cataloged under National Stock Number 1680-00-540-4415, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Cef Industries Inc Flexible Shaft Div. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-540-4415 |
| Primary Part Number | 10873 |
| Item Name | Shaft Assembly,flexible |
| FSC / FSG | 1680 / 16 — No Item Name Available |
| Manufacturer | Cef Industries Inc Flexible Shaft Div |
| Status | ACTIVE |
| Core Rotation Direction | CLOCKWISE OR COUNTERCLOCKWISE |
| Wrenching Facility Type | HEXAGON BOTH ENDS |
| Cross Section Size and Location | 0.406 INCHES NOMINAL DIAMETER BOTH ENDS IN |
| Spline Type | INVOLUTE BOTH ENDS |
| Material | STEEL CASING |
| FSC Application Data | ELEVATOR ASSY,LEFT HAND,AIRCRAFT |
| Spline Major Diameter | 0.304 INCHES MINIMUM AND 0.310 INCHES MAXIMUM BOTH ENDS IN |
| Spline Quantity | 12 BOTH ENDS |
| Thread Class | 2B BOTH ENDS |
| Thread Depth | 0.281 INCHES NOMINAL BOTH ENDS IN |
| Shank Outside Diameter | 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM BOTH ENDS IN |
| Spline Length | 0.232 INCHES MINIMUM AND 0.255 INCHES MAXIMUM BOTH ENDS IN |
| Casing Length Between Ferrules | 8.7812 INCHES NOMINAL IN |
| Core Diameter | 0.250 INCHES NOMINAL IN |
| Width Across Flats | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Screw Thread Series Designator | UNS BOTH ENDS |
| Core Overall Length | 9.750 INCHES NOMINAL IN |
| Torsional Deflection Rating | 4 DEG FT-LB IN. TORSIONAL DEFLECTION IN WINDING DIRECTION,5 DEG FT-LB IN. IN UNWINDING DIRECTION |
| Overall End Size | BOTH ENDS: 0.750 IN. HEX IN |
| Minimum Operating Radius | 3.000 INCHES IN |
| Core Removability | NONREMOVABLE |
| Casing Outside Diameter | 0.434 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN |
| Tip Length | 0.468 INCHES NOMINAL BOTH ENDS IN |
| Spline Pressure Angle in Deg | 14.5 BOTH ENDS |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Material | STEEL CORE |
| Thread Location | INTERNAL BOTH ENDS |
| End Type | ROUND, INTERNAL SPLINED BOTH ENDS |
| End Connection Type | THREADED INTERNAL BOTH ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10873 | Cef Industries Inc Flexible Shaft Div (USA) |
| 99070-008-26 | Cef Industries Inc Flexible Shaft Div (USA) |
| 99070-008-26 | Ge Aviation Systems Llc (USA) |
| 99070-008-26 | Lucas Aerospace Power Equipment Corporation (USA) |
| 99070-008-26 | Safran Power Usa Llc (USA) |
NSN 1680-00-540-4415 is a Shaft Assembly,flexible, manufactured by Cef Industries Inc Flexible Shaft Div, classified under FSC 1680 (No Item Name Available). Status: active.
NSN 1680-00-540-4415 has 5 cross-referenced part numbers: 10873 (Cef Industries Inc Flexible Shaft Div), 99070-008-26 (Cef Industries Inc Flexible Shaft Div), 99070-008-26 (Ge Aviation Systems Llc), 99070-008-26 (Lucas Aerospace Power Equipment Corporation), 99070-008-26 (Safran Power Usa Llc).
There are 8 known substitutes for 1680-00-540-4415: 5950-00-070-7452, 5330-00-085-7767, 4920-00-175-3311 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 10873: Overall Length: 9.750 INCHES NOMINAL IN; Core Rotation Direction: CLOCKWISE OR COUNTERCLOCKWISE; Wrenching Facility Type: HEXAGON BOTH ENDS; Cross Section Size and Location: 0.406 INCHES NOMINAL DIAMETER BOTH ENDS IN. 30 total characteristics are documented in the Federal Logistics Information System.