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Shouldered Shaft NSN 3040-01-172-3394

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 3040-01-172-3394 NSN: 3040-01-172-3394

Features and Characteristics

First End Style
Flatted
End Similarity
Not identical
Second End Style
Flatted
Overall Length
1.214 inches
First End Flat Depth
0.0345 inches
First End Flat Length
0.154 inches
First End Diameter
0.1245 inches
Second End Flat Depth
0.0350 inches
Second End Flat Length
0.420 inches
Second End Diameter
0.1250 inches
Step Quantity
8
Largest Step Diameter
0.156 inches
Surface Finish
32.0 microinches
Material
Stainless steel
Material Specification
Qq-s-763, class 1, cond a federal specification single material response
Fsc Application Data
Indicator, fuel quantity
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
011723394
NSN
3040011723394

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
726-218-001
Cage Code:
26055
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 3040-01-172-3394
What are the manufacturers of nsn 3040011723394?
Does this nsn 3040011723394 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040011723394
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 3040011723394 contain any precious metals?
No precious metal content.
Does nsn 3040011723394 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040011723394?
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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