Helical Gear NSN 3020-00-706-2172

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: 3020-00-706-2172

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Features and Characteristics

Body Style

Webbed, solid

Attachment Method

Mounting hole

Pitch Diameter

Between 13.8491 inches and 13.8511 inches

Teeth Quantity

153

Bore Style

Tapered second end

Mounting Hole Thread Series Designator

Unc axially through body, first end

Hardness Rating

48.0 rockwell c teeth and 54.0 rockwell c teeth

Mounting Hole Thread Size

0.375 inches axially through body, first end

Mounting Hole Type And Quantity

6 counterbored axially through body, first end and 4 plain axially through body, first end and 4 threaded axially through body, first end

Outside Diameter

14.015 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

20.0000 degrees

Helix Angle

23.0000 degrees

Distance Between Body Face And Protruding Hub End

0.264 inches first end

Face Width

1.005 inches

Taper Major Diameter

4.501 inches second end

Hub Style Designator

Plain second end

Hub Diameter

5.625 inches second end

End Length

0.171 inches first end

End Diameter

4.875 inches first end

First Step Length

0.093 inches first end

First Step Diameter

7.500 inches first end

Mounting Hole Diameter

0.270 inches axially through body, first end and 0.563 inches axially through body, first end

Bolt Hole Circle Diameter

6.625 inches axially through body, first end and 11.500 inches axially through body, first end and 5.062 inches axially through body, first end

Material

Steel comp 4340

Material Specification

Qq-s-624 federal specification single material response

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

007062172

NSN

3020007062172

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1271462-1

Cage Code:

55972

Status:

MSDS:

Part Number:

9053918

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: 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 3020-00-706-2172

What are the manufacturers of nsn 3020007062172?

Honeywell Intl Inc (55972)
U S Army Aviation And Missile (18876)

Does this nsn 3020007062172 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020007062172
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 3020007062172 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020007062172 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020007062172?
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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Quality Inspected Parts
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