Model: 5256781 PIECE 2

Straight Shaft

Special Features:

Both ends chamfered 0.062 in. By 45 degrees

Properties:

First End Style
Flat keyway
End Similarity
Not identical
Second End Style
Indented flat keyway
Overall Length
10.625 inches
First End Keyway Width
0.4375 inches
First End External Keyway Length
2.375 inches
First End Keyway Depth
0.219 inches
First End Diameter
Between 1.8720 inches and 1.8730 inches
Second End Keyway Width
0.4375 inches
Second End External Keyway Length
2.375 inches
Second End Keyway Depth
0.219 inches
Second End Distance From Keyway Center To End
1.312 inches
Second End Diameter
Between 1.8700 inches and 1.8710 inches
Surface Finish
63.0 microinches
Material
Steel
Material Specification
Qq-s-741 federal specification single material response
NSN
3040-01-142-2985
Part Number
5256781 PIECE 2
Description
Shaft,straight
CAGE
81994

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 5256781 PIECE 2 NSN 3040-01-142-2985

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
126900
UFC:
65750
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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