Model: 31658

Shouldered Shaft

Special Features:

Includes part numbers 78282 and 24077

Properties:

First End Style
Plain
End Similarity
Not identical
Second End Style
Splined (involute)
Overall Length
12.8750 inches
First End Diameter
0.8745 inches
Second End Diameter
1.1875 inches
Second End Spline Length
1.5313 inches
Second End Spline Minor Diameter
Between 1.1810 inches and 1.1910 inches
Second End Spline Major Diameter
Between 1.3390 inches and 1.3440 inches
Second End Pressure Angle
30.0 degrees
Second End Pitch Diameter
1.2857 inches
Step Quantity
7
Second End Spline Quantity
18
Largest Step Diameter
1.6875 inches
Material
Steel
Material Specification
Ams 6328 assn standard single material response
NSN
3040-00-213-2144
Part Number
31658
Description
Shaft,shouldered
CAGE
00198

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.

Part 31658 NSN 3040-00-213-2144

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22914
FIIG:
A23200
Concept No.:
1
App. Key:
A
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:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8483105000
  • SITC: 74810
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Transmission shafts and cranks, except camshafts and crankshafts

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