Model: 74B371

Straight Shaft

Properties:

First End Style
Flatted
End Similarity
Not identical
Second End Style
Circular grooved and flatted
Second End Groove Width
0.0280 inches
Second End Groove Diameter
0.2300 inches
Overall Length
12.687 inches
First End Flat Depth
0.0310 inches
First End Flat Length
0.312 inches
First End Diameter
0.2500 inches
Second End Flat Depth
0.0310 inches
Second End Flat Length
0.437 inches
Second End Distance From End To Groove
Between 0.656 inches and 1.095 inches
Second End Diameter
0.2500 inches
Material
Steel comp 303
Material Specification
Qq-s-763, cl 7 federal specification single material response
NSN
3040-00-355-9628
Part Number
74B371
Description
Shaft,straight
CAGE
26916

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 74B371 NSN 3040-00-355-9628

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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