Straight Shaft NSN 3040-00-423-9294

Item Description

A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.O25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see gearshaft (as modified). For items designed to support rotating members see axle(1), straight. For items not having the above conditions see pin, straight, headless. For items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.

NSN: 3040-00-423-9294

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Features and Characteristics

First End Style

Woodruff keyway

End Similarity

Not identical

Second End Style

Unthreaded cross drilled

Overall Length

4.875 inches

First End Keyway Width

Between 0.9280 inches and 0.9430 inches

First End External Keyway Length

0.500 inches

First End Distance From Keyway Center To End

0.375 inches

First End Diameter

Between 0.4930 inches and 0.4935 inches

Second End Diameter

Between 0.4930 inches and 0.4935 inches

Second End Hole Diameter

0.1360 inches

Second End Distance From Hole Center To End

1.057 inches

Material

Steel comp 1018

Material Specification

Qq-s-633 federal specification single material response

Fsc Application Data

Starting engine assembly, power unit

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

004239294

NSN

3040004239294

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

4B3494

Cage Code:

11083

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 3040-00-423-9294

What are the manufacturers of nsn 3040004239294?

Caterpillar Inc. (11083)

Does this nsn 3040004239294 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040004239294
A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. it is not designed for use in aligning by fitting into corresponding holes of another item. it may be drilled for lubricating holes. for items having an integral gear(s) or worm(s), see gearshaft (as modified). for items designed to support rotating members see axle(1), straight. for items not having the above conditions see pin, straight, headless. for items having machined ends which constitute steps see shaft(1), shouldered; axle(1), shouldered; and bolt, fluid passage.

Does nsn 3040004239294 contain any precious metals?
Precious metal content is unknown.

Does nsn 3040004239294 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040004239294?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

22109

FIIG:

A23200

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
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