Helical Gear NSN 3020-00-247-8999

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: 3020-00-247-8999

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Features and Characteristics

Body Style

Webbed, with lightening holes

Pitch Diameter

7.5000 inches

Teeth Quantity

Bore Style

W/ keyway both ends

Hardness Rating

27.0 rockwell c and 32.0 rockwell c

Outside Diameter

7.7210 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

20.0000 degrees

Helix Angle

31.0083 degrees

Distance Between Body Face And Protruding Hub End

0.250 inches first end

Distance Between Body Face And Recessed Hub End

0.250 inches second end

Face Width

2.000 inches

Bore Diameter

1.605 inches both ends

Keyway Width

0.499 inches both ends

Distance From Bore Center To Keyway Bottom

1.006 inches both ends

Hub Style Designator

Plain both ends

Hub Diameter

2.375 inches second end

Material

Steel

Material Specification

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

Style Designator

One protruding hub, one recessed hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

002478999

NSN

3020002478999

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MAFB8660DPC50

Cage Code:

82796

Status:

MSDS:

Part Number:

AFB8652A

Cage Code:

82796

Status:

MSDS:

Part Number:

16202443

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 3020-00-247-8999

What are the manufacturers of nsn 3020002478999?

Coltec Industries Inc (82796)

Does this nsn 3020002478999 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020002478999
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 3020002478999 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020002478999 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020002478999?
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
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