Shouldered Shaft NSN 3040-01-143-9257

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: 3040-01-143-9257

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Features and Characteristics

First End Style

Circular grooved and externally threaded

First End Groove Width

0.1250 inches

First End Groove Diameter

0.6562 inches

End Similarity

Not identical

Overall Length

4.641 inches

First End Distance From End To Groove

0.5630 inches

First End Keyway Width

Between 0.2490 inches and 0.2500 inches

First End Keyway Depth

0.1045 inches

First End Diameter

0.3705 inches

First End External Thread Length

0.5630 inches

Criticality Code Justification

Zzzy

Surface Finish

63.0 microinches

Material

Steel

Material Specification

Aisi c4140 assn standard single material response

Reference Number Differentiating Characteristics

Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

011439257

NSN

3040011439257

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

68U-217-1

Cage Code:

95169

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 3040-01-143-9257

What are the manufacturers of nsn 3040011439257?

Curtiss-wright Flow Control (95169)

Does this nsn 3040011439257 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040011439257
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 3040011439257 contain any precious metals?
No precious metal content.

Does nsn 3040011439257 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040011439257?
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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