Helical Gear NSN 3020-00-270-8340

Item Description

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

NSN: 3020-00-270-8340

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Features and Characteristics

Body Style

Plain, solid

Attachment Method

Mounting hole

Pitch Diameter

3.7029 inches

Teeth Quantity

Bore Style

W/ keyway both ends

Mounting Hole Thread Series Designator

Unc axially through body, first end

Mounting Hole Thready Qty Per Inch (tpi)

16 axially through body, first end

Mounting Hole Thread Size

0.375 inches axially through body, first end

Mounting Hole Type And Quantity

3 threaded axially through body, first end

Outside Diameter

3.9225 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Pressure Angle

14.5000 degrees

Helix Angle

16.2166 degrees

Distance Between Body Face And Protruding Hub End

1.313 inches first end

Face Width

1.344 inches

Bore Diameter

1.375 inches both ends

Keyway Width

0.251 inches both ends

Distance From Bore Center To Keyway Bottom

0.8095 inches both ends

Hub Style Designator

1 step first end

End Length

0.7187 inches first end

End Diameter

1.9681 inches first end

First Step Length

0.5938 inches first end

First Step Diameter

2.375 inches first end

Bolt Hole Circle Diameter

2.500 inches axially through body, first end

Special Features

2 puller holes 90 degrees from keyway on hub end, 1/2-13 thd size by 5/8 in. Deep; counterbore 2nd end, 0.500 in. Deep by 1.7505 in. Dia

Material

Steel comp 3140

Material Specification

Fed standard 66 federal standard single material response

Style Designator

Protruding hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

002708340

NSN

3020002708340

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

P211375

Cage Code:

17572

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8483409000
NAICS: 333612
SITC: 74840
Description: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 3020-00-270-8340

What are the manufacturers of nsn 3020002708340?

Sterling Engine Co Inc (17572)

Does this nsn 3020002708340 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020002708340
A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. see also gear, antibacklash, helical:

Does nsn 3020002708340 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020002708340 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020002708340?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

05464

FIIG:

A27300

App. Key:

Cond. Code:

Status:

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