Shouldered Shaft NSN 3040-00-085-3551

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: 3040-00-085-3551

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Features and Characteristics

First End Style

Externally threaded and flat keyway

End Similarity

Not identical

Second End Style

Slotted and internally threaded

Overall Length

2.500 inches

Second End Slot Width

0.120 inches

First End Keyway Width

0.6355 inches

First End External Keyway Length

0.860 inches

First End Keyway Depth

0.090 inches

First End Diameter

0.6855 inches

First End External Thread Length

0.548 inches

Second End Diameter

0.5904 inches

Second End Slot Depth

0.094 inches

Second End Internal Thread Length

0.375 inches

Step Quantity

Largest Step Diameter

1.000 inches

Special Features

First end has two same dimension keyways

Material

Steel comp 4140

Material Specification

Qq-s-624 federal specification single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

000853551

NSN

3040000853551

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

8519969

Cage Code:

18876

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 3040-00-085-3551

What are the manufacturers of nsn 3040000853551?

U S Army Aviation And Missile (18876)

Does this nsn 3040000853551 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040000853551
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 3040000853551 contain any precious metals?
No precious metal content.

Does nsn 3040000853551 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040000853551?
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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