Model #B1671-21

Flexible shaft assembly (NSN 1680-00-540-1930)

Description

3b or 2 both ends thread class, 12.8474 inches nominal overall length.

Thread Direction
Right-hand both ends
Spline Major Diameter
0.303 inches both ends
Spline Quantity
12 both ends
Spline Minor Diameter
0.217 inches both ends
Thread Depth
0.310 inches both ends
Tip Length
0.4687 inches both ends
Shank Outside Diameter
0.4375 inches both ends
Pitch Diameter
0.250 inches both ends
Core Material
Steel
Screw Thread Series Designator
Uns both ends
Core Diameter
0.276 inches
Thread Location
Internal both ends
End Type
Round, internal splined both ends
Width Across Flats
0.750 inches both ends
End Connection Type
Threaded internal both ends
Spline Pressure Angle In Deg
14.5 both ends
Spline Length
0.275 inches both ends
Spline Type
Involute both ends
Setscrew
Not included both ends
Casing Material
Steel
Wrenching Facility Type
Hexagon both ends
Cross Section Size And Location
0.409 inches diameter both ends
Casing Surface Treatment
Cadmium plated
Casing Length Between Ferrules
11.910 inches
Casing Outside Diameter
0.375 inches
Swivel End
Not provided both ends
Enddiameter
0.875 inches both ends
Lubrication Fitting
Not provided both ends
Corelength
12.8474 inches
Core Rotation Direction
Clockwise or counterclockwise
Core Removability
Nonremovable
Minimum Operating Radius
2.500 inches
Fsc Application Data
Shaft installation, trailing edge flap, aircraft
Description
Shaft Assembly,flexible
Cage Code
17472

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Updated: 05/18/2024