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Shouldered Shaft NSN 3040-01-143-9257

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 3040-01-143-9257 NSN: 3040-01-143-9257

Features and Characteristics

First End Style
Circular grooved and externally threaded
First End Groove Width
0.1250 inches
First End Groove Diameter
0.6562 inches
End Similarity
Not identical
Overall Length
4.641 inches
First End Distance From End To Groove
0.5630 inches
First End Keyway Width
Between 0.2490 inches and 0.2500 inches
First End Keyway Depth
0.1045 inches
First End Diameter
0.3705 inches
First End External Thread Length
0.5630 inches
Criticality Code Justification
Zzzy
Surface Finish
63.0 microinches
Material
Steel
Material Specification
Aisi c4140 assn standard single material response
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
011439257
NSN
3040011439257

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
68U-217-1
Cage Code:
95169
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 3040-01-143-9257
What are the manufacturers of nsn 3040011439257?
Does this nsn 3040011439257 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040011439257
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 3040011439257 contain any precious metals?
No precious metal content.
Does nsn 3040011439257 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040011439257?
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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