Shouldered Shaft NSN 3040-01-281-1906

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: 3040-01-281-1906

Stock Availability

NSN 3040012811906 availability
(as of 09/15/2023).

NS: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Related NSN

Features and Characteristics

First End Style

Splined (straight)

End Similarity

Identical

Overall Length

Between 20.688 inches and 22.562 inches

First End Diameter

1.0100 inches

First End Spline Length

Between 0.969 inches and 1.031 inches

First End Spline Minor Diameter

Between 0.5630 inches and 0.5660 inches

First End Spline Major Diameter

0.6620 inches

Step Quantity

First End Spline Quantity

Largest Step Diameter

1.500 inches

Special Features

Shaft has an internal/external involute spline 20/40 diametral pitch 30deg. Pressure angle with 12 teeth which is optionally oriented allowing varying shaft end alignments on one end; spline is attached to the shafts end through a universal joint conforming to mil-j-6193; class 2

Material

Steel comp 4130 or steel comp 4150

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

012811906

NSN

3040012811906

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

142D6243

Cage Code:

05606

Status:

MSDS:

Part Number:

16-PF-494

Cage Code:

03705

Status:

MSDS:

Part Number:

3106121

Cage Code:

75665

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 3040-01-281-1906

What are the manufacturers of nsn 3040012811906?

Does this nsn 3040012811906 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040012811906
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 3040012811906 contain any precious metals?
Precious metal content is unknown.

Does nsn 3040012811906 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040012811906?
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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