NSN 1680-00-517-1316 Repair Services

Flexible Shaft Assembly Overhaul, Repair, and Maintenance

MPN: 31551-037-16, 710AX37-50

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 1680-00-517-1316 flexible shaft assembly
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NSN 1680005171316


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AS9120B:2015 ISO 9001 Audited and Certified

FAA and EASA Part 145 Certified Repair Stations Ensuring the highest standards of quality and compliance for our clients' needs.

We specialize in the repair and refurbishment of nsn components. From mechanical assemblies to rotor blades, our comprehensive capabilities cover a wide range of NSN parts, providing cost effective solutions to extend the operational life of vital equipment.

NSN 1680-00-517-1316 has been designated as a repairable item and has been included in our capabilities catalog. If you require overhaul or repair services use the form on this page to send us your information. We will provide you with a lead time and price quote.

Repairability and Datasheet

NSN 1680-00-517-1316 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 1680-00-517-1316
Categorization Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
Repairability Code

Approximate Weight 0.0lb
Thread Class 2b both ends
Thread Direction Right-hand both ends
Spline Major Diameter 0.307 inches both ends
Overall Length 38.561 inches
Spline Quantity 12 both ends
Spline Minor Diameter 0.241 inches both ends
Thread Depth 0.281 inches both ends
Tip Length 0.531 inches both ends
Shank Outside Diameter 0.500 inches both ends
Pitch Diameter 0.250 inches both ends
Core Material Steel
Screw Thread Series Designator Unf both ends
Core Diameter 0.250 inches
Thread Location Internal both ends
End Type Round, internal splined both ends
Width Across Flats 0.750 inches both ends
End Connection Type Union ferrule both ends
Spline Pressure Angle In Deg 14.5 both ends
Spline Length 0.244 inches both ends
Spline Type Involute both ends
Casing Material Steel
Wrenching Facility Type Hexagon both ends
Cross Section Size And Location 0.406 inches diameter both ends
Torsional Deflection Rating 5 degrees ft-lb in. Torsional deflection rating in winding direction, 7 degrees ft-lb in unwinding direction
Casing Length Between Ferrules 35.875 inches
Casing Outside Diameter 0.445 inches
Swivel End Not provided both ends
Enddiameter 0.875 inches both ends
Lubrication Fitting Not provided both ends
Corelength 38.561 inches
Core Rotation Direction Clockwise or counterclockwise
Core Removability Nonremovable
Minimum Operating Radius 10.000 inches
Fsc Application Data Miscellaneous aircraft accessories and components

Part Numbers

Part Number Company RNAAC (Repair Depot)
31551-037-16 SAFRAN POWER USA, LLC ZZ - USA
710AX37-50 SAFRAN POWER USA, LLC ZZ - USA
31551-037-16 LUCAS AEROSPACE POWER EQUIPMENT XX -
710AX37-50 LUCAS AEROSPACE POWER EQUIPMENT XX -