Shouldered Shaft NSN 3040-00-340-3719

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: 3040-00-340-3719

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Features and Characteristics

First End Style

Flat grooved

End Similarity

Not identical

Second End Style

Two flats

Overall Length

6.394 inches

First End Distance From End To Flat

0.063 inches

First End Diameter

0.2494 inches

First End Grooved Flat Length

0.3750 inches

First End Grooved Flat Depth

0.0304 inches

Second End Diameter

0.3276 inches

Step Quantity

Largest Step Diameter

0.3742 inches

Surface Finish

32.0 microinches

Second End Step Length

0.4062 inches

Second End Angle Between Flats

58.0 degrees

Special Features

5first end has double flats at 58.0 deg; second end has 0.1875 in. Deep; 0.156 in. Diameter hole; finish phqsphated per k-f-1103; case hardening 0.031 to max depth of 0.062 in.; heat treated to rockwell c 45-57; ends chamfer 0.015 in. Deep at 45.0 deg

Material

Steel

Fsc Application Data

Teletype and facsimile equipment

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

003403719

NSN

3040003403719

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

SM-C-186955

Cage Code:

80063

Status:

MSDS:

Part Number:

54729

Cage Code:

82423

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 3040-00-340-3719

What are the manufacturers of nsn 3040003403719?

Us Army Communications & (80063)
Kleinschmidt Inc (82423)

Does this nsn 3040003403719 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040003403719
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 3040003403719 contain any precious metals?
No precious metal content.

Does nsn 3040003403719 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040003403719?
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
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