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Shouldered Shaft NSN 3040-00-050-6751

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 3040-00-050-6751 NSN: 3040-00-050-6751

Features and Characteristics

First End Style
Circular grooved
First End Groove Width
0.0300 inches
First End Groove Diameter
Between 0.2456 inches and 0.2458 inches
End Similarity
Not identical
Second End Style
Circular grooved
Second End Groove Width
Between 0.0280 inches and 0.0310 inches
Second End Groove Diameter
Between 0.2456 inches and 0.2458 inches
Overall Length
3.000 inches
First End Distance From End To Groove
0.240 inches
First End Diameter
0.2496 inches
Second End Distance From End To Groove
0.750 inches
Second End Diameter
Between 0.2496 inches and 0.2498 inches
Step Quantity
3
Largest Step Diameter
Between 0.312 inches and 0.313 inches
Material
Steel
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
000506751
NSN
3040000506751

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1770738
Cage Code:
10001
Status:
A
MSDS:
Part Number:
41-679
Cage Code:
56232
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 3040-00-050-6751
What are the manufacturers of nsn 3040000506751?
Does this nsn 3040000506751 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040000506751
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 3040000506751 contain any precious metals?
Precious metal content is unknown.
Does nsn 3040000506751 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040000506751?
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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