Shouldered Shaft NSN 3040-01-325-2357

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: 3040-01-325-2357

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Features and Characteristics

First End Style

Plain

End Similarity

Not identical

Second End Style

Tongue rounded ends

Overall Length

33.380 inches

End Application

2330-01-303-8832

First End Diameter

Between 3.9342 inches and 3.9370 inches

Second End Tongue Thickness

2.000 inches

Second End Tongue Width

5.000 inches

Second End Diameter

Between 3.9342 inches and 3.9370 inches

Step Quantity

Largest Step Diameter

5.000 inches

Surface Finish

32.0 microinches

Second End Step Length

5.000 inches

Special Features

3.187 in. Diameter through hole in tongue; setscrew hole 0.312-18 unc in tongue; first end hard chrome plate 0.0005 to 0.001 thk 28.630 in. Along shaft

Material

Steel comp 4140

Material Specification

Astm a304 comp 4140 assn standard single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

013252357

NSN

3040013252357

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

SW28305

Cage Code:

98255

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 3040-01-325-2357

What are the manufacturers of nsn 3040013252357?

Drs Sustainment Systems, Inc. (98255)

Does this nsn 3040013252357 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040013252357
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 3040013252357 contain any precious metals?
No precious metal content.

Does nsn 3040013252357 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040013252357?
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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