Shouldered Shaft NSN 3040-01-498-7890

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: 3040-01-498-7890

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Features and Characteristics

First End Style

Square (round corners)

End Similarity

Not identical

Second End Style

Circular grooved and externally threaded

Second End Groove Width

Between 0.0600 inches and 0.0800 inches

Second End Groove Diameter

Between 0.5380 inches and 0.5430 inches

Overall Length

Between 2.920 inches and 2.960 inches

First End Width Across Flats

Between 0.735 inches and 0.750 inches

End Application

USED-ON-BRA-DLEY

First End Diameter

1.2100 inches

Second End Distance From End To Groove

Between 0.992 inches and 0.994 inches

Second End Diameter

0.6250 inches

Second End External Thread Length

Between 0.992 inches and 0.994 inches

Step Quantity

Largest Step Diameter

1.210 inches

First End Step Length

0.360 inches

Surface Finish

32.0 microinches

Part Name Assigned By Controlling Agency

Shaft, support

Special Features

There is an existing p/n 137772 on nsn 5310-12-306-9133, which is stock listed by nato as type 2, therefore inabsent of details, current part is stock listed; next higher assembly 1377780

Material

Steel comp 303

Material Specification

Astm a582 type 303 assn standard single material response

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

014987890

NSN

3040014987890

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

137772

Cage Code:

57039

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 3040-01-498-7890

What are the manufacturers of nsn 3040014987890?

United States Department Of Us Army (57039)

Does this nsn 3040014987890 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040014987890
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 3040014987890 contain any precious metals?
No precious metal content.

Does nsn 3040014987890 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040014987890?
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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