Shouldered Shaft NSN 3040-01-497-3018

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: 3040-01-497-3018

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Related NSN

Features and Characteristics

First End Style

Woodruff keyway

End Similarity

Not identical

Second End Style

Splined (involute)

Overall Length

14.500 inches

End Application

Next assembly: shaft assembly nsn 3040-01-031-7490, coolant pump engine assembly; w/s: mk48 mod 6 torpedo.

First End Keyway Width

Between 0.1860 inches and 0.1880 inches

First End External Keyway Length

0.750 inches

First End Distance From Keyway Center To End

1.031 inches

First End Diameter

Between 0.8420 inches and 0.8430 inches

Second End Diameter

Between 0.8090 inches and 0.8110 inches

Second End Spline Length

1.250 inches

Second End Spline Minor Diameter

Between 0.5011 inches and 0.5061 inches

Second End Spline Major Diameter

Between 0.6750 inches and 0.6860 inches

Second End Pressure Angle

30.0 degrees

Second End Pitch Diameter

0.5625 inches

Step Quantity

Second End Spline Quantity

Largest Step Diameter

Between 0.865 inches and 0.875 inches

Special Features

End 1 has a .109 diameter drilled hole .205 max depth. End 2 splines are internal.

Material

Steel comp 4140

Material Specification

Aisi 4140h national specification all material responses

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

014973018

NSN

3040014973018

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2502783

Cage Code:

53711

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 3040-01-497-3018

What are the manufacturers of nsn 3040014973018?

Naval Sea Systems Command (53711)
Navair And Navsea Managed (10001)

Does this nsn 3040014973018 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040014973018
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 3040014973018 contain any precious metals?
No precious metal content.

Does nsn 3040014973018 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040014973018?
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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