Model: DAA7278D084-003

Shouldered Shaft

Special Features:

Second end is also externally threaded, 1.000-12-2a

Properties:

First End Style
Plain
End Similarity
Not identical
Second End Style
Woodruff keyway and cross drilled
Overall Length
12.400 inches
End Application
1730-01-268-9238
First End Diameter
Between 0.9940 inches and 0.9980 inches
Second End Keyway Width
Between 0.1863 inches and 0.1880 inches
Second End Distance From Keyway Center To End
Between 2.300 inches and 2.400 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
Second End Hole Depth
Between 0.994 inches and 0.998 inches
Step Quantity
3
Largest Step Diameter
Between 1.247 inches and 1.250 inches
Material
Steel comp 4130
NSN
3040-01-406-1944
Part Number
DAA7278D084-003
Description
Shaft,shouldered
CAGE
1W025

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 DAA7278D084-003 NSN 3040-01-406-1944

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:
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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