Shouldered Shaft NSN 3040-01-125-0432

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: 3040-01-125-0432

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Features and Characteristics

First End Style

Unthreaded cross drilled

End Similarity

Not identical

Second End Style

Circular grooved and flat keyway

Second End Groove Width

Between 0.0460 inches and 0.0490 inches

Second End Groove Diameter

Between 0.7590 inches and 0.7650 inches

Overall Length

Between 21.907 inches and 21.969 inches

First End Diameter

Between 0.9980 inches and 1.0000 inches

First End Hole Diameter

Between 0.3910 inches and 0.4060 inches

First End Distance From Hole Center To End

Between 1.094 inches and 1.156 inches

Second End Distance From End To Groove

Between 0.133 inches and 0.149 inches

Second End Keyway Width

Between 0.1350 inches and 0.1400 inches

Second End External Keyway Length

5.062 inches

Second End Keyway Depth

0.221 inches

Second End Diameter

Between 0.8110 inches and 0.8130 inches

Step Quantity

Largest Step Diameter

Between 0.998 inches and 1.000 inches

Surface Finish

63.0 microinches

Special Features

Second end has one additional shallow flat keyway loc on top of dp keyway, 0.188/0.189 in. Keyway w, 1.750 in. Ext keyway lg, 0.097 in. Keyway dp

Material

Steel comp 1035 or steel comp 1038 or steel comp 1040 or steel comp 1041 or steel comp 1042 or steel comp 1043 or steel comp 1045 or steel comp 1137 or steel comp 1139 or steel comp 1140 or steel comp 1141 or steel comp 1144

Material Specification

Qq-s-633 federal specification all material responses

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

011250432

NSN

3040011250432

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7979030

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 3040-01-125-0432

What are the manufacturers of nsn 3040011250432?

U S Army Tank Automotive Command (19207)

Does this nsn 3040011250432 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040011250432
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 3040011250432 contain any precious metals?
No precious metal content.

Does nsn 3040011250432 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040011250432?
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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