Helical Gear NSN 3020-00-434-6474

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: 3020-00-434-6474

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Features and Characteristics

Body Style

Webbed, offset, solid

Attachment Method

Mounting hole

Pitch Diameter

11.8430 inches

Teeth Quantity

Bore Style

Tapered w/keyway both ends

Mounting Hole Thread Series Designator

Unc axially through body, first end

Hardness Rating

310.0 brinell standard and 350.0 brinell standard

Mounting Hole Thread Size

0.190 inches axially through body, first end

Mounting Hole Type And Quantity

2 threaded axially through body, first end

Outside Diameter

12.0610 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Pressure Angle

20.0000 degrees

Helix Angle

30.0483 degrees

Distance Between Body Face And Protruding Hub End

0.500 inches first end

Body Recess Depth

0.875 inches second end

Face Width

2.750 inches

Keyway Width

0.500 inches both ends

Distance From Bore Center To Keyway Bottom

1.387 inches both ends

Taper Major Diameter

2.243 inches both ends

Hub Style Designator

1 step first end

End Length

0.375 inches first end

End Diameter

2.750 inches first end

First Step Length

0.125 inches first end

First Step Diameter

4.125 inches first end

Bolt Hole Circle Diameter

6.750 inches axially through body, first end

Material

Steel comp 4340

Material Specification

Mil-s-19434, class 5 military specification single material response

Style Designator

Protruding hub, recessed body

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

004346474

NSN

3020004346474

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

331207

Cage Code:

21444

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 3020-00-434-6474

What are the manufacturers of nsn 3020004346474?

Rexnord Llc (21444)

Does this nsn 3020004346474 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020004346474
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 3020004346474 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020004346474 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020004346474?
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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