Shouldered Shaft NSN 3040-00-531-0688

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: 3040-00-531-0688

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Features and Characteristics

First End Style

Circular grooved

End Similarity

Not identical

Second End Style

Woodruff keyway and circular grooved

Second End Groove Width

0.5320 inches

Second End Groove Diameter

Between 0.7550 inches and 0.7700 inches

Overall Length

4.625 inches

First End Distance From End To Groove

0.844 inches

First End Diameter

Between 0.6245 inches and 0.6248 inches

Second End Keyway Width

Between 0.1240 inches and 0.1255 inches

Second End Distance From Keyway Center To End

1.250 inches

Second End Diameter

Between 0.6688 inches and 0.6691 inches

Step Quantity

Largest Step Diameter

Between 0.7867 inches and 0.7871 inches

Surface Finish

63.0 microinches

Material

Steel

Material Specification

Spec qq-s-634, 1015-1020 military specification single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

005310688

NSN

3040005310688

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

5310688

Cage Code:

19207

Status:

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 3040-00-531-0688

What are the manufacturers of nsn 3040005310688?

U S Army Tank Automotive Command (19207)

Does this nsn 3040005310688 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040005310688
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 3040005310688 contain any precious metals?
No precious metal content.

Does nsn 3040005310688 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040005310688?
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:

Cond. Code:

Status:

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Certificate of Conformance
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