Model: 31551-026-04

Flexible Shaft Assembly

Properties:

Thread Class
2b both ends
Thread Direction
Right-hand both ends
Spline Major Diameter
0.307 inches both ends
Overall Length
27.186 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
Setscrew
Not included 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. In winding direction, 7 degrees ft-lb in. In unwinding direction
Casing Length Between Ferrules
24.500 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
27.186 inches
Core Rotation Direction
Clockwise or counterclockwise
Core Removability
Nonremovable
Minimum Operating Radius
10.000 inches
Fsc Application Data
Miscellaneous aircraft accessories and components
NSN
1680-00-536-7786
Part Number
31551-026-04
Description
Shaft Assembly,flexible
CAGE
31435

An item consisting of a casing with fittings and attachments on each end and a spirally wound wire core with formed end(s) and/or crimped on end fittings. It is designed to transmit rotary motion around bends from a motor or other power source to drive various types of equipment, such as tachometers, speedometers, remote controls, instruments, and the like, which are located at an angle and/or distance from the power source. See also control assembly, push-pull.

Part 31551-026-04 NSN 1680-00-536-7786

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20315
FIIG:
T246-E
Concept No.:
App. Key:
EA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
129920
UFC:
65750
LTL:
85.0
LCL:
--
WCC:
671
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8803300060
  • SITC: 79295
  • End Use: Parts for military-type goods
  • NAICS: 336413
  • USDA: 1

Freight Class: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)

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