Model: AR-158

Straight Shaft

Special Features:

First end-0.188 drill 4.000 in. D, 0.312 drill 0.875 in. D, 0.125-27 pipe tap

Properties:

First End Style
Hexagonal
End Similarity
Not identical
Second End Style
Cross drilled and externally threaded
Overall Length
8.375 inches
First End Width Across Flats
1.875 inches
First End Diameter
1.2490 inches
Second End Diameter
1.2500 inches
Second End Hole Diameter
0.2500 inches
Second End Distance From Hole Center To End
0.250 inches
Second End External Thread Length
1.250 inches
Second End Hole Depth
1.250 inches
First End Step Length
1.062 inches
Surface Finish
63.0 microinches
Material
Steel comp 1020
NSN
3040-01-126-3839
Part Number
AR-158
Description
Shaft,straight
CAGE
56848

A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.O25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.

Part AR-158 NSN 3040-01-126-3839

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22109
FIIG:
A23200
Concept No.:
1
App. Key:
B
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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