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Shouldered Shaft NSN 3040-00-994-2737

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 3040-00-994-2737 NSN: 3040-00-994-2737

Features and Characteristics

First End Style
Flat keyway
End Similarity
Not identical
Second End Style
Unthreaded cross drilled
Overall Length
4.750 inches
First End Keyway Width
Between 0.1280 inches and 0.1300 inches
First End External Keyway Length
0.531 inches
First End Keyway Depth
Between 0.065 inches and 0.070 inches
First End Diameter
0.3750 inches
Second End Diameter
Between 0.2490 inches and 0.2495 inches
Second End Hole Diameter
0.0810 inches
Second End Distance From Hole Center To End
0.368 inches
Second End Hole Depth
0.249 inches
Step Quantity
2
Largest Step Diameter
0.375 inches
Surface Finish
63.0 microinches
Special Features
Both ends chamfered 0.031 in. By 45 deg
Material
Stainless steel
Material Specification
Ek 156 mfr ref single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
009942737
NSN
3040009942737

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
453626
Cage Code:
19139
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 3040-00-994-2737
What are the manufacturers of nsn 3040009942737?
Does this nsn 3040009942737 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040009942737
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 3040009942737 contain any precious metals?
No precious metal content.
Does nsn 3040009942737 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040009942737?
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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