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Shouldered Shaft NSN 3040-01-125-9781

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 3040-01-125-9781 NSN: 3040-01-125-9781

Features and Characteristics

First End Style
Plain
End Similarity
Not identical
Second End Style
Internal threaded
Overall Length
17.820 inches
First End Diameter
Between 0.2485 inches and 0.2495 inches
Second End Diameter
Between 0.2485 inches and 0.2495 inches
Second End Internal Thread Length
0.250 inches
Step Quantity
3
Largest Step Diameter
Between 0.376 inches and 0.379 inches
Surface Finish
63.0 microinches
Material
Steel comp 416
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
011259781
NSN
3040011259781

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
142864-0001
Cage Code:
19397
Status:
A
MSDS:
Part Number:
142864
Cage Code:
19397
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 3040-01-125-9781
What are the manufacturers of nsn 3040011259781?
Does this nsn 3040011259781 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040011259781
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 3040011259781 contain any precious metals?
No precious metal content.
Does nsn 3040011259781 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040011259781?
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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