Shouldered Shaft NSN 3040-01-278-6209

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: 3040-01-278-6209

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Features and Characteristics

First End Style

Plain

End Similarity

Not identical

Second End Style

Externally threaded and indented flat keyway

Overall Length

3.630 inches

End Application

3805-01-144-2992

First End Diameter

Between 1.7610 inches and 2.0390 inches

Second End Keyway Width

Between 0.1880 inches and 0.1980 inches

Second End External Keyway Length

0.620 inches

Second End Keyway Depth

Between 0.094 inches and 0.104 inches

Second End Distance From Keyway Center To End

1.690 inches

Second End Diameter

1.5000 inches

Second End External Thread Length

1.500 inches

Step Quantity

Largest Step Diameter

Between 1.761 inches and 2.039 inches

Special Features

Bore through shaft, 0.219 in.Id, thd and cbored 2nd end, cbore 0.750 in.Dia by 0.440 in.Dp, thds extend from cbore 0.440 in.Dp, 1/4-28 unf-2b

Material

Steel

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

012786209

NSN

3040012786209

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

8J4034

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 3040-01-278-6209

What are the manufacturers of nsn 3040012786209?

Caterpillar Inc. (11083)

Does this nsn 3040012786209 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040012786209
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 3040012786209 contain any precious metals?
No precious metal content.

Does nsn 3040012786209 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040012786209?
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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