Shouldered Shaft NSN 3040-00-679-4375

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: 3040-00-679-4375

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Features and Characteristics

First End Style

Flatted

End Similarity

Not identical

Second End Style

Threaded cross drilled

Overall Length

2.000 inches

First End Flat Depth

0.0310 inches

First End Flat Length

0.250 inches

First End Diameter

Between 0.1869 inches and 0.1872 inches

Second End Diameter

0.3120 inches

Second End Distance From Hole Center To End

0.125 inches

Second End Hole Depth

0.112 inches

Step Quantity

Largest Step Diameter

0.312 inches

Special Features

Pressed sleeve welded to first end, 0.2515 in.Min and 0.2535 in.Max dia, 1.125 in.Lg, 0.250 in.From end

Material

Copper alloy

Material Specification

Qq-b-626 federal specification single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

006794375

NSN

3040006794375

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

SM-B-344632

Cage Code:

80063

Status:

MSDS:

Part Number:

B344632

Cage Code:

98738

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 3040-00-679-4375

What are the manufacturers of nsn 3040006794375?

Us Army Communications & (80063)
Herley Chicago (98738)

Does this nsn 3040006794375 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040006794375
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 3040006794375 contain any precious metals?
No precious metal content.

Does nsn 3040006794375 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040006794375?
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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