Shouldered Shaft NSN 3040-00-491-3602

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: 3040-00-491-3602

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Features and Characteristics

First End Style

Unthreaded cross drilled

End Similarity

Not identical

Second End Style

Woodruff keyway and circular grooved

Second End Groove Width

Between 0.0390 inches and 0.0420 inches

Second End Groove Diameter

Between 0.5810 inches and 0.5910 inches

Overall Length

8.375 inches

First End Hole Diameter

0.2660 inches

First End Distance From Hole Center To End

0.375 inches

Second End Distance From End To Groove

0.094 inches

Second End Keyway Width

Between 0.1240 inches and 0.1255 inches

Second End External Keyway Length

Between 0.500 inches and 0.518 inches

Second End Distance From Keyway Center To End

1.437 inches

Step Quantity

Largest Step Diameter

Between 0.620 inches and 0.622 inches

Surface Finish

125.0 microinches

Special Features

Ka magnetic permeability shall be less than 1.2 before fabrication and not greater than 2.0 after fabrication as measured in a 200 oersted field by a permeability indicator specified in military specification mil-i-17214

Material

Steel comp 316

Reference Number Differentiating Characteristics

As differentiated by special features

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

004913602

NSN

3040004913602

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

701365

Cage Code:

64104

Status:

MSDS:

Part Number:

3040NR0260

Cage Code:

004T5

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 3040-00-491-3602

What are the manufacturers of nsn 3040004913602?

Does this nsn 3040004913602 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040004913602
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 3040004913602 contain any precious metals?
Precious metal content is unknown.

Does nsn 3040004913602 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040004913602?
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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