Model: 18731

Automotive Axle Shaft

Special Features:

Circular tooth thickness 0.0972 on 1.250 pitch diameter allowable backlash of spline tooth with mating part 0.0001 to 0.004

Properties:

Overall Length
30.688 inches
First End Thread Direction
Right-hand
Metallic Hardness Rating
42.0 rockwell c and 48.0 rockwell c
Drilled Hole Diameter
0.172 inches
First End Taper
1.000 inches per foot
First End Taper Major Diameter
1.625 inches
First End Keyway Width
0.438 inches
First End Keyway Depth
0.137 inches
Second End Spline Length
1.500 inches
Second End Pitch Diameter
0.500 inches
First End Type
Tapered
Second End Type
Splined
First End Thread Size
1-14
Hole Quantity
1
First End Thread Series
Unf
Second End Spline Quantity
20
First End Bearing Seat
Not included
Second End Spline Type
Involute
Second End Spline Pressure Angle In Deg
30.0
Second End Bearing Seat
Not included
End Hole Type
Drilled
First End Pin Hole Diameter
0.172 inches
Material
Steel, sae 1033 to 1035
Material
Steel, sae 1033 to 1035
Fsc Application Data
Trailer air conditioner, type ma-8
NSN
2520-00-654-3427
Part Number
18731
Description
Shaft,axle,automotive
CAGE
72447

A shaft which is a component of axle assembly, automotive, driving, used to transmit rotary motion from the differential assembly either directly or indirectly to the wheel hubs. Excludes shafts with a universal joint or a component of a universal joint attached to it.

Part 18731 NSN 2520-00-654-3427

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10852
FIIG:
T306-D
Concept No.:
1
App. Key:
DA
Cond. Code:
1
Status:
A

Material Classification

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
017900
UFC:
08190
LTL:
60.0
LCL:
--
WCC:
586
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483909500
  • SITC: 74890
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts

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