Model: 4B3494

Straight Shaft

Properties:

First End Style
Woodruff keyway
End Similarity
Not identical
Second End Style
Unthreaded cross drilled
Overall Length
4.875 inches
First End Keyway Width
Between 0.9280 inches and 0.9430 inches
First End External Keyway Length
0.500 inches
First End Distance From Keyway Center To End
0.375 inches
First End Diameter
Between 0.4930 inches and 0.4935 inches
Second End Diameter
Between 0.4930 inches and 0.4935 inches
Second End Hole Diameter
0.1360 inches
Second End Distance From Hole Center To End
1.057 inches
Material
Steel comp 1018
Material Specification
Qq-s-633 federal specification single material response
Fsc Application Data
Starting engine assembly, power unit
NSN
3040-00-423-9294
Part Number
4B3494
Description
Shaft,straight
CAGE
11083

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 4B3494 NSN 3040-00-423-9294

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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