Shouldered Shaft NSN 3040-00-493-9474

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: 3040-00-493-9474

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Features and Characteristics

First End Style

Splined (straight)

End Similarity

Not identical

Second End Style

Splined (straight)

Overall Length

9.150 inches

First End Diameter

2.0000 inches

First End Spline Length

1.350 inches

First End Spline Minor Diameter

1.8700 inches

First End Spline Major Diameter

2.0620 inches

Second End Diameter

1.6850 inches

Second End Spline Length

1.470 inches

Second End Spline Minor Diameter

1.4940 inches

Second End Spline Major Diameter

1.6850 inches

Step Quantity

First End Spline Quantity

Second End Spline Quantity

Largest Step Diameter

2.750 inches

Material

Steel

Material Specification

Bms7-6, fscm 77272 mfr ref single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

004939474

NSN

3040004939474

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

114D6106-2

Cage Code:

77272

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 3040-00-493-9474

What are the manufacturers of nsn 3040004939474?

The Boeing Company (77272)

Does this nsn 3040004939474 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040004939474
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 3040004939474 contain any precious metals?
No precious metal content.

Does nsn 3040004939474 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040004939474?
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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