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Shouldered Shaft NSN 3040-01-040-1128

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 3040-01-040-1128 NSN: 3040-01-040-1128

Features and Characteristics

First End Style
Plain
End Similarity
Not identical
Second End Style
Flat keyways and internally threaded
Overall Length
6.530 inches
First End Diameter
0.7500 inches
Second End Keyway Width
0.1880 inches
Second End External Keyway Length
0.560 inches
Second End Keyway Depth
0.030 inches
Second End Diameter
0.5908 inches
Second End Internal Thread Length
0.620 inches
Step Quantity
4
Largest Step Diameter
0.870 inches
Surface Finish
16.0 microinches
Special Features
First shoulder first end has external involute splines 1.450 in long, 20teeth, min diameter 0.764, maj diameter 0.875
Material
Steel
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
010401128
NSN
3040010401128

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12008241
Cage Code:
19204
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 3040-01-040-1128
What are the manufacturers of nsn 3040010401128?
Does this nsn 3040010401128 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040010401128
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 3040010401128 contain any precious metals?
No precious metal content.
Does nsn 3040010401128 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040010401128?
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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