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Shouldered Shaft NSN 3040-01-212-7603

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 3040-01-212-7603 NSN: 3040-01-212-7603

Features and Characteristics

First End Style
Plain
End Similarity
Not identical
Second End Style
Flat keyway
Overall Length
43.687 inches
First End Diameter
Between 3.9390 inches and 3.9400 inches
Second End Keyway Width
1.0000 inches
Second End External Keyway Length
4.875 inches
Second End Keyway Depth
0.500 inches
Second End Diameter
Between 3.8770 inches and 3.8780 inches
Step Quantity
8
Largest Step Diameter
4.625 inches
Special Features
Third step contains 3 keyways
Material
Steel comp 4140
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
012127603
NSN
3040012127603

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
157741-13
Cage Code:
05340
Status:
A
MSDS:
Part Number:
157741
Cage Code:
05340
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 3040-01-212-7603
What are the manufacturers of nsn 3040012127603?
Does this nsn 3040012127603 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040012127603
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 3040012127603 contain any precious metals?
No precious metal content.
Does nsn 3040012127603 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040012127603?
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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