Shouldered Shaft NSN 3040-01-263-1258

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: 3040-01-263-1258

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Features and Characteristics

First End Style

External threaded

End Similarity

Not identical

Second End Style

Hexagonal

Overall Length

23.280 inches

Second End Width Across Flats

0.625 inches

First End Diameter

0.7500 inches

First End External Thread Length

Between 1.1250 inches and 1.1300 inches

Second End Diameter

0.7500 inches

Step Quantity

Largest Step Diameter

1.480 inches

Second End Step Length

0.500 inches

Material

Steel comp 1018

Material Specification

Astm-a-108 assn standard single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

012631258

NSN

3040012631258

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

640-1369-001

Cage Code:

13499

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 3040-01-263-1258

What are the manufacturers of nsn 3040012631258?

Rockwell Collins, Inc. (13499)

Does this nsn 3040012631258 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040012631258
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 3040012631258 contain any precious metals?
No precious metal content.

Does nsn 3040012631258 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040012631258?
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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