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Shouldered Shaft NSN 3040-01-134-2903

Item Description

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.

NSN 3040-01-134-2903 NSN: 3040-01-134-2903

Features and Characteristics

First End Style
Flat keyway
End Similarity
Not identical
Second End Style
Splined (involute)
Overall Length
5.500 inches
End Application
1730-01-064-5007
First End Keyway Width
Between 0.1863 inches and 0.1880 inches
First End External Keyway Length
1.000 inches
First End Keyway Depth
0.106 inches
First End Diameter
0.7475 inches
Second End Diameter
0.7475 inches
Second End Spline Length
1.250 inches
Second End Spline Minor Diameter
0.4125 inches
Second End Spline Major Diameter
0.4993 inches
Second End Pressure Angle
30.0 degrees
Second End Pitch Diameter
0.46875 inches
Step Quantity
2
Second End Spline Quantity
15
Largest Step Diameter
Between 0.746 inches and 0.749 inches
Surface Finish
63.0 microinches
Special Features
Part of shaft support assembly, p/n 1732a138-5
Material
Steel comp 1144
Material Specification
Aisi c1144 assn standard single material response
Fsc Application Data
Ammo loading system, a-10 acft
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
011342903
NSN
3040011342903

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5076A107-1
Cage Code:
56672
Status:
A
MSDS:
Part Number:
5076A107
Cage Code:
56672
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8483105000
  • NAICS: 333613
  • SITC: 74810
  • Description: Transmission shafts and cranks, except camshafts and crankshafts
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3040-01-134-2903
What are the manufacturers of nsn 3040011342903?
Does this nsn 3040011342903 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040011342903
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.
Does nsn 3040011342903 contain any precious metals?
No precious metal content.
Does nsn 3040011342903 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040011342903?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22914
FIIG:
A23200
App. Key:
A
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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