Shouldered Shaft NSN 3040-01-012-4635

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: 3040-01-012-4635

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Features and Characteristics

First End Style

Splined (involute)

End Similarity

Not identical

Second End Style

Circular grooved flat keyway and externally threaded

Second End Groove Width

0.0900 inches

Second End Groove Diameter

1.0600 inches

Overall Length

42.560 inches

First End Diameter

Between 1.9722 inches and 1.9772 inches

First End Spline Length

1.500 inches

First End Spline Minor Diameter

Between 1.7030 inches and 1.7210 inches

First End Spline Major Diameter

Between 1.9722 inches and 1.9772 inches

First End Pressure Angle

30.0 degrees

First End Pitch Diameter

1.8750 inches

Second End Distance From End To Groove

0.573 inches

Second End Keyway Width

0.1960 inches

Second End External Keyway Length

0.883 inches

Second End Keyway Depth

Between 0.090 inches and 0.110 inches

Second End Diameter

Between 1.1800 inches and 1.1950 inches

Second End External Thread Length

0.573 inches

Step Quantity

First End Spline Quantity

Largest Step Diameter

Between 1.995 inches and 1.999 inches

Surface Finish

63.0 microinches

Special Features

First end cir grooved, 0.068/0.072 in. W, 1.881/1.991 in.Dia, 0.570 in.Distance from end

Material

Steel comp 4140h or 8640h or 8740h

Material Specification

Astm a322 assn standard single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

010124635

NSN

3040010124635

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

11675536

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 3040-01-012-4635

What are the manufacturers of nsn 3040010124635?

U S Army Tank Automotive Command (19207)

Does this nsn 3040010124635 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040010124635
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 3040010124635 contain any precious metals?
Precious metal content is unknown.

Does nsn 3040010124635 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040010124635?
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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