NSN 1680-00-564-0187 Repair Services

Flexible Shaft Assembly Overhaul, Repair, and Maintenance

MPN: 31551-012-21, 710A012-21

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 1680-00-564-0187 flexible shaft assembly
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NSN 1680005640187


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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 1680-00-564-0187 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 1680-00-564-0187 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 1680-00-564-0187
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
Spline Major Diameter 0.307 inches both ends
Overall Length 13.717 inches
Flange Thickness 0.063 inches both ends
Spline Quantity 12 both ends
Spline Minor Diameter 0.241 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
Core Diameter 0.250 inches
End Type Round, external splined 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
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 11.031 inches
Casing Outside Diameter 0.445 inches
Swivel End Not provided both ends
Enddiameter 0.562 inches both ends
Lubrication Fitting Not provided both ends
Corelength 13.717 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)
31551-012-21 SAFRAN POWER USA, LLC -
710A012-21 SAFRAN POWER USA, LLC -
31551-012-21 LUCAS AEROSPACE POWER EQUIPMENT XX -
710A012-21 LUCAS AEROSPACE POWER EQUIPMENT XX -