Helical Gear NSN 3020-00-969-2985

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: 3020-00-969-2985

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Features and Characteristics

Body Style

Webbed, solid

Attachment Method

Mounting hole

Pitch Diameter

3.6990 inches

Teeth Quantity

Bore Style

Tapered w/keyway first end

Hardness Rating

285.0 brinell standard and 325.0 brinell standard

Mounting Hole Type And Quantity

4 plain axially through body, first end

Outside Diameter

3.844 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Right

Helix Angle

28.1536 degrees

Distance Between Body Face And Protruding Hub End

0.125 inches first end

Face Width

0.875 inches

Keyway Width

0.251 inches first end

Distance From Bore Center To Keyway Bottom

0.730 inches first end

Taper Major Diameter

1.173 inches first end

Hub Style Designator

Plain both ends

Hub Diameter

1.736 inches second end

Mounting Hole Diameter

0.375 inches axially through body, first end

Bolt Hole Circle Diameter

2.500 inches axially through body, first end

Material

Steel

Material Specification

Mil-s-890, alloy no. 4 military specification single material response

Style Designator

One protruding hub, one flush hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

009692985

NSN

3020009692985

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

238255

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 3020-00-969-2985

What are the manufacturers of nsn 3020009692985?

Rexnord Llc (21444)

Does this nsn 3020009692985 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020009692985
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 3020009692985 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020009692985 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020009692985?
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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