Helical Gear NSN 3020-00-078-9775

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: 3020-00-078-9775

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Features and Characteristics

Body Style

Plain, solid

Pitch Diameter

3.8988 inches

Teeth Quantity

Bore Style

W/counterbore counter bore, second end

Backlash Designation

Grade e

Hardness Rating

58.0 rockwell c teeth and 62.0 rockwell c teeth

Outside Diameter

4.097 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Pressure Angle

14.5000 degrees

Helix Angle

37.3333 degrees

Distance Between Body Face And Protruding Hub End

0.220 inches both ends

Face Width

0.620 inches

Bore Diameter

1.620 inches counter bore, second end

Counterbore Depth

0.980 inches counter bore, second end

Counterbore Diameter

1.850 inches counter bore, second end

Hub Style Designator

Plain both ends

Hub Diameter

2.120 inches both ends

Material

Steel comp 8620 and steel comp 8720

Material Specification

Qq-s-624 federal specification single material response

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

000789775

NSN

3020000789775

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

10935193

Cage Code:

19207

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 3020-00-078-9775

What are the manufacturers of nsn 3020000789775?

U S Army Tank Automotive Command (19207)
Teledyne Continental Motors (14351)

Does this nsn 3020000789775 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020000789775
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 3020000789775 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020000789775 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020000789775?
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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Certificate of Conformance
Quality Inspected Parts
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