Model: 7974518

Shouldered Shaft

Special Features:

First end drilled, 0.453 in. Dia, 1.500 in. Dp, tap 1/2-20unc-2b 1.000 in. Dp; second end cir grooved, 11.033 in. Groove w, 1.750 in. Groove dia, 2.342 in. Distance from end to groove

Properties:

First End Style
Flat keyway
End Similarity
Not identical
Second End Style
Two flat keyways
Overall Length
18.750 inches
First End Keyway Width
Between 0.3735 inches and 0.3755 inches
First End External Keyway Length
1.375 inches
First End Keyway Depth
0.209 inches
First End Diameter
Between 1.4990 inches and 1.5000 inches
Second End Keyway Width
Between 0.3735 inches and 0.3755 inches
Second End External Keyway Length
1.281 inches
Second End Keyway Depth
Between 0.187 inches and 0.192 inches
Second End Distance From Keyway Center To End
14.020 inches
Second End Diameter
Between 1.7716 inches and 1.7719 inches
Second End Distance Between Keyway Centers
12.314 inches
Second End Angle Between Keyways
360.0 degrees
Step Quantity
2
Largest Step Diameter
1.771 inches
Surface Finish
40.0 microinches
Material
Steel comp 4140
Material Specification
Mil-s-5626 military specification single material response
NSN
3040-00-506-8536
Part Number
7974518
Description
Shaft,shouldered
CAGE
19207

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 7974518 NSN 3040-00-506-8536

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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