Helical Gear NSN 3020-00-517-2925

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: 3020-00-517-2925

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Features and Characteristics

Body Style

Webbed, offset, solid

Pitch Diameter

18.1500 inches

Teeth Quantity

121

Bore Style

Tapered w/keyway first end

Features Provided

Tapered keyway

Outside Diameter

18.4360 inches

Teeth Type

Single helix

Tooth Form

Standard

Tooth Direction

Left

Pressure Angle

14.5000 degrees

Helix Angle

17.7498 degrees

Distance Between Body Face And Protruding Hub End

1.313 inches first end

Distance Between Body Face And Recessed Hub End

1.1875 inches second end

Face Width

2.9999 inches

Keyway Width

0.6260 inches first end

Distance From Bore Center To Keyway Bottom

1.4453 inches first end

Taper Major Diameter

2.2505 inches first end

Hub Style Designator

Plain both ends

Hub Diameter

5.0000 inches both ends

Material

Steel

Material Specification

Mil-s-890, alloy no. 1 military specification single material response

Style Designator

One protruding hub, one recessed hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

005172925

NSN

3020005172925

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

185773B396

Cage Code:

0AT62

Status:

MSDS:

Part Number:

189128A396

Cage Code:

0AT62

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 3020-00-517-2925

What are the manufacturers of nsn 3020005172925?

Does this nsn 3020005172925 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020005172925
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 3020005172925 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020005172925 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020005172925?
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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