Shouldered Shaft NSN 3040-01-212-7603

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: 3040-01-212-7603

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Related NSN

Features and Characteristics

First End Style

Plain

End Similarity

Not identical

Second End Style

Flat keyway

Overall Length

43.687 inches

First End Diameter

Between 3.9390 inches and 3.9400 inches

Second End Keyway Width

1.0000 inches

Second End External Keyway Length

4.875 inches

Second End Keyway Depth

0.500 inches

Second End Diameter

Between 3.8770 inches and 3.8780 inches

Step Quantity

Largest Step Diameter

4.625 inches

Special Features

Third step contains 3 keyways

Material

Steel comp 4140

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

012127603

NSN

3040012127603

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

157741-13

Cage Code:

05340

Status:

MSDS:

Part Number:

157741

Cage Code:

05340

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 3040-01-212-7603

What are the manufacturers of nsn 3040012127603?

Lidgerwood Manufacturing Company (05340)

Does this nsn 3040012127603 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040012127603
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 3040012127603 contain any precious metals?
No precious metal content.

Does nsn 3040012127603 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040012127603?
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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