Shouldered Shaft NSN 3040-00-945-8221

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: 3040-00-945-8221

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Features and Characteristics

First End Style

External threaded

End Similarity

Not identical

Second End Style

Plain

Overall Length

2.861 inches

First End Diameter

Between 0.3678 inches and 0.3750 inches

First End External Thread Length

0.420 inches

Second End Diameter

Between 0.4999 inches and 0.5000 inches

Step Quantity

Largest Step Diameter

0.620 inches

Surface Finish

32.0 microinches

Special Features

One keyway made by 0.384 in. Diameter cutter 0.047 in. W with 0.310 in. Distance from keyway bottom to od located on 1st end 2nd step 0.420 in. From left end

Material

Steel comp 4140

Material Specification

Mil-s-5626 military specification single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

009458221

NSN

3040009458221

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

369A5136

Cage Code:

8V613

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 3040-00-945-8221

What are the manufacturers of nsn 3040009458221?

Boeing Company, The (8V613)
Mcdonnell Douglas Helicopter Co Inc (02731)

Does this nsn 3040009458221 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040009458221
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 3040009458221 contain any precious metals?
No precious metal content.

Does nsn 3040009458221 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040009458221?
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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