Model: DAA7278D281-001

Straight Shaft

Special Features:

Second end also has keyway, 0.2505 in.Wide, 0.138 in.Deep, 3.300 in.Long

Properties:

First End Style
Flat keyway
End Similarity
Not identical
Second End Style
Unthreaded cross drilled
Overall Length
11.600 inches
End Application
1730-01-268-9238
First End Keyway Width
Between 0.2505 inches and 0.2525 inches
First End External Keyway Length
0.750 inches
First End Keyway Depth
0.138 inches
First End Diameter
Between 0.9940 inches and 0.9980 inches
Second End Diameter
Between 0.9940 inches and 0.9980 inches
Second End Hole Diameter
Between 0.2010 inches and 0.2130 inches
Second End Distance From Hole Center To End
Between 0.305 inches and 0.315 inches
Material
Steel comp 4130
NSN
3040-01-406-1941
Part Number
DAA7278D281-001
Description
Shaft,straight
CAGE
1W025

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 DAA7278D281-001 NSN 3040-01-406-1941

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:
BQ
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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