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Shouldered Shaft NSN 3040-00-972-2640

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 3040-00-972-2640 NSN: 3040-00-972-2640

Features and Characteristics

First End Style
Woodruff keyway
End Similarity
Not identical
Second End Style
Two woodruff keyways
Overall Length
14.500 inches
First End Keyway Width
Between 0.2487 inches and 0.2505 inches
First End External Keyway Length
Between 1.125 inches and 1.145 inches
First End Distance From Keyway Center To End
0.807 inches
First End Diameter
Between 1.2480 inches and 1.2490 inches
Second End Keyway Width
Between 0.2487 inches and 0.3130 inches
Second End External Keyway Length
Between 1.125 inches and 1.145 inches
Second End Distance From Keyway Center To End
0.749 inches
Second End Diameter
Between 1.2480 inches and 1.2490 inches
Second End Distance Between Keyway Centers
2.438 inches
Step Quantity
5
Largest Step Diameter
Between 1.973 inches and 1.977 inches
Surface Finish
125.0 microinches
Material
Steel comp 8620h
Material Specification
Qq-s-624 federal specification single material response
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
009722640
NSN
3040009722640

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3004735
Cage Code:
61465
Status:
A
MSDS:
Part Number:
10876361
Cage Code:
19207
Status:
A
MSDS:
Part Number:
3040009722640
Cage Code:
SCY13
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 3040-00-972-2640
What are the manufacturers of nsn 3040009722640?
Does this nsn 3040009722640 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040009722640
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 3040009722640 contain any precious metals?
Precious metal content is unknown.
Does nsn 3040009722640 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040009722640?
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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