Shouldered Shaft NSN 3040-00-938-9819

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: 3040-00-938-9819

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Features and Characteristics

First End Style

Plain

End Similarity

Not identical

Second End Style

Splined (straight)

Overall Length

2.853 inches

First End Diameter

0.2440 inches

Second End Diameter

0.2550 inches

Second End Spline Length

0.312 inches

Second End Spline Minor Diameter

0.2950 inches

Second End Spline Major Diameter

0.4475 inches

Step Quantity

Second End Spline Quantity

Largest Step Diameter

0.450 inches

Surface Finish

90.0 microinches

Special Features

0.088 in diameter by 0.110 in deep center hole by 60.0 degrees chamfer to 0.120 in diameter both ends

Material

Steel comp 4130

Material Specification

Mil-s-6758 military specification single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

009389819

NSN

3040009389819

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

65355-12122-101

Cage Code:

78286

Status:

MSDS:

Part Number:

65355-12122-102

Cage Code:

78286

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 3040-00-938-9819

What are the manufacturers of nsn 3040009389819?

Sikorsky Aircraft Corporation (78286)

Does this nsn 3040009389819 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040009389819
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 3040009389819 contain any precious metals?
No precious metal content.

Does nsn 3040009389819 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040009389819?
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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Certificate of Conformance
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