Helical Gear NSN 3020-00-395-1889

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: 3020-00-395-1889

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Features and Characteristics

Attachment Method

Mounting hole

Pitch Diameter

9.7280 inches

Teeth Quantity

Bore Style

W/counterbore counterbore, first end

Hardness Rating

27.0 rockwell c and 32.0 rockwell c

Mounting Hole Type And Quantity

6 plain axially through body, first end

Outside Diameter

9.949 inches

Teeth Type

Single helix

Tooth Direction

Right

Pressure Angle

20.0000 degrees

Helix Angle

28.2250 degrees

Distance Between Body Face And Protruding Hub End

1.375 inches first end

Face Width

1.375 inches

Bore Diameter

4.626 inches counterbore, first end

Counterbore Depth

1.875 inches counterbore, first end

Counterbore Diameter

8.625 inches counterbore, first end

Hub Style Designator

Plain both ends

Hub Diameter

9.250 inches first end

Mounting Hole Diameter

0.500 inches axially through body, first end

Material

Steel

Material Specification

Mil-s-890, alloy no. 2 military specification single material response

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

003951889

NSN

3020003951889

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

3848ADDBC

Cage Code:

82796

Status:

MSDS:

Part Number:

13ADD8660APC2-6

Cage Code:

82796

Status:

MSDS:

Part Number:

15ADD8660APC2-6

Cage Code:

82796

Status:

MSDS:

Part Number:

MADG8660APC2-6

Cage Code:

82796

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 3020-00-395-1889

What are the manufacturers of nsn 3020003951889?

Coltec Industries Inc (82796)

Does this nsn 3020003951889 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020003951889
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 3020003951889 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020003951889 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020003951889?
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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