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Shouldered Shaft NSN 3040-01-100-4945

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 3040-01-100-4945 NSN: 3040-01-100-4945

Features and Characteristics

First End Style
Unthreaded cross drilled
End Similarity
Not identical
Second End Style
Flat keyways and internally threaded
Overall Length
76.875 inches
First End Diameter
1.2500 inches
First End Hole Diameter
0.2030 inches
First End Distance From Hole Center To End
0.375 inches
Second End Keyway Width
5.0000 inches
Second End External Keyway Length
5.000 inches
Second End Keyway Depth
2.500 inches
Second End Diameter
2.0000 inches
Second End Internal Thread Length
1.063 inches
Step Quantity
4
Largest Step Diameter
2.000 inches
Surface Finish
32.0 microinches
Special Features
0.375 in. Diameter crossed drilled hole for tapered pin on 2nd end located 2.500 in. From center of hole to end
Material
Stainless steel
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
011004945
NSN
3040011004945

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1251-243 ITEM 3
Cage Code:
98042
Status:
A
MSDS:
Part Number:
5347219 ITEM 3
Cage Code:
53711
Status:
A
MSDS:
Part Number:
5347219
Cage Code:
53711
Status:
A
MSDS:
Part Number:
1251-243
Cage Code:
98042
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 3040-01-100-4945
What are the manufacturers of nsn 3040011004945?
Does this nsn 3040011004945 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040011004945
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 3040011004945 contain any precious metals?
Precious metal content is unknown.
Does nsn 3040011004945 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040011004945?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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