Straight Shaft NSN 3040-00-679-0945

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: 3040-00-679-0945

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Features and Characteristics

First End Style

Plain

End Similarity

Not identical

Second End Style

Square (round corners)

Overall Length

3.955 inches

Second End Width Across Flats

0.380 inches

First End Diameter

0.7450 inches

Second End Diameter

0.7450 inches

Surface Finish

125.0 microinches

Second End Step Length

0.390 inches

Special Features

Second end square is internal

Material

Steel comp 4130

Material Specification

Mil-s-6758, cond f-4 military specification single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

006790945

NSN

3040006790945

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

26-370-4749

Cage Code:

72429

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 3040-00-679-0945

What are the manufacturers of nsn 3040006790945?

Sargent Fletcher Inc. (72429)

Does this nsn 3040006790945 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040006790945
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 3040006790945 contain any precious metals?
Precious metal content is unknown.

Does nsn 3040006790945 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040006790945?
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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