Shouldered Shaft NSN 3040-00-493-7436

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: 3040-00-493-7436

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Related NSN

Features and Characteristics

First End Style

Indented flat keyway

End Similarity

Identical

Overall Length

Between 7.080 inches and 7.100 inches

First End Keyway Width

0.1240 inches

First End External Keyway Length

0.156 inches

First End Distance From Keyway Center To End

0.320 inches

First End Diameter

Between 0.9970 inches and 0.9980 inches

Step Quantity

Largest Step Diameter

Between 0.9995 inches and 1.0000 inches

Special Features

One cross drilled hole, located 4.220 in. Lg. The distance from centerof hole to first end style, 0.42 in. Min.-0.48 in. Max. Dia, 95 degrees countersink

Material

Steel

Material Specification

Ams 5639, type 304 military specification 1st material response and mil-p-1144, type 1, comp 304 military specification 2nd material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

004937436

NSN

3040004937436

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

8437351

Cage Code:

19204

Status:

MSDS:

Part Number:

1005004937436

Cage Code:

A00AM

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 3040-00-493-7436

What are the manufacturers of nsn 3040004937436?

Army, United States Department Of (19204)
E.c.a Etablissement Central (A00AM)

Does this nsn 3040004937436 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040004937436
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 3040004937436 contain any precious metals?
No precious metal content.

Does nsn 3040004937436 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040004937436?
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
Quality Inspected Parts
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