Model: 255074-2

Shouldered Shaft

Properties:

First End Style
Cross drilled and externally threaded
End Similarity
Not identical
Second End Style
Externally threaded and indented flat keyway
Overall Length
29.625 inches
First End Diameter
1.9995 inches
First End Hole Diameter
0.2500 inches
First End Distance From Hole Center To End
0.281 inches
First End External Thread Length
1.625 inches
First End Hole Depth
0.750 inches
Second End Keyway Width
0.3750 inches
Second End External Keyway Length
1.938 inches
Second End Keyway Depth
0.188 inches
Second End Distance From Keyway Center To End
1.469 inches
Second End Diameter
2.2500 inches
Second End External Thread Length
0.375 inches
Step Quantity
10
Largest Step Diameter
2.750 inches
Surface Finish
63.0 microinches
Material
Steel
NSN
3040-00-218-3745
Part Number
255074-2
Description
Shaft,shouldered
CAGE
93232

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 255074-2 NSN 3040-00-218-3745

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:
A
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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