Shouldered Shaft NSN 3040-00-039-8541

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: 3040-00-039-8541

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Features and Characteristics

First End Style

Woodruff keyway

End Similarity

Not identical

Second End Style

Unthreaded cross drilled

Overall Length

23.281 inches

First End Keyway Width

Between 0.0928 inches and 0.0943 inches

First End External Keyway Length

0.466 inches

First End Distance From Keyway Center To End

0.375 inches

First End Diameter

Between 0.4995 inches and 0.5000 inches

Second End Diameter

0.5938 inches

Second End Hole Diameter

Between 0.1870 inches and 0.1880 inches

Second End Distance From Hole Center To End

0.563 inches

Second End Hole Depth

0.5938 inches

Step Quantity

Largest Step Diameter

0.594 inches

Material

Steel comp 1010 or steel comp 1020

Material Specification

Mil-s-11486 military specification all material responses and qq-s-633 federal specification all material responses

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

000398541

NSN

3040000398541

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7982500

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 3040-00-039-8541

What are the manufacturers of nsn 3040000398541?

U S Army Tank Automotive Command (19207)

Does this nsn 3040000398541 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040000398541
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 3040000398541 contain any precious metals?
Precious metal content is unknown.

Does nsn 3040000398541 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040000398541?
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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