Shouldered Shaft NSN 3040-01-040-1128

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: 3040-01-040-1128

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Features and Characteristics

First End Style

Plain

End Similarity

Not identical

Second End Style

Flat keyways and internally threaded

Overall Length

6.530 inches

First End Diameter

0.7500 inches

Second End Keyway Width

0.1880 inches

Second End External Keyway Length

0.560 inches

Second End Keyway Depth

0.030 inches

Second End Diameter

0.5908 inches

Second End Internal Thread Length

0.620 inches

Step Quantity

Largest Step Diameter

0.870 inches

Surface Finish

16.0 microinches

Special Features

First shoulder first end has external involute splines 1.450 in long, 20teeth, min diameter 0.764, maj diameter 0.875

Material

Steel

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

010401128

NSN

3040010401128

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

12008241

Cage Code:

19204

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 3040-01-040-1128

What are the manufacturers of nsn 3040010401128?

Army, United States Department Of (19204)

Does this nsn 3040010401128 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040010401128
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 3040010401128 contain any precious metals?
No precious metal content.

Does nsn 3040010401128 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040010401128?
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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