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Shouldered Shaft NSN 3040-00-679-4375

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 3040-00-679-4375 NSN: 3040-00-679-4375

Features and Characteristics

First End Style
Flatted
End Similarity
Not identical
Second End Style
Threaded cross drilled
Overall Length
2.000 inches
First End Flat Depth
0.0310 inches
First End Flat Length
0.250 inches
First End Diameter
Between 0.1869 inches and 0.1872 inches
Second End Diameter
0.3120 inches
Second End Distance From Hole Center To End
0.125 inches
Second End Hole Depth
0.112 inches
Step Quantity
3
Largest Step Diameter
0.312 inches
Special Features
Pressed sleeve welded to first end, 0.2515 in.Min and 0.2535 in.Max dia, 1.125 in.Lg, 0.250 in.From end
Material
Copper alloy
Material Specification
Qq-b-626 federal specification single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
006794375
NSN
3040006794375

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SM-B-344632
Cage Code:
80063
Status:
A
MSDS:
Part Number:
B344632
Cage Code:
98738
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 3040-00-679-4375
What are the manufacturers of nsn 3040006794375?
Does this nsn 3040006794375 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040006794375
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 3040006794375 contain any precious metals?
No precious metal content.
Does nsn 3040006794375 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040006794375?
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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