Worm Gear NSN 3020-00-554-8540

Item Description

A gear with teeth on its outer surface in the form of helical threads.

NSN: 3020-00-554-8540

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Features and Characteristics

Attachment Method

Mounting hole

Pitch Diameter

0.9650 inches

Face Type

Straight

Bore Style

Plain both ends

Mounting Hole Thread Series Designator

Unc transversely through hub, second end

Mounting Hole Thread Size

0.250 inches transversely through hub, second end

Mounting Hole Type And Quantity

1 threaded transversely through hub, second end

Outside Diameter

1.0900 inches

Thread Form Quantity

Thread Form Direction

Right-hand

Pressure Angle

14.5000 degrees

Helix Angle

3.6123 degrees

Distance Between Body Face And Protruding Hub End

0.719 inches first end

Face Width

0.750 inches

Bore Diameter

0.375 inches both ends

Hub Style Designator

Plain second end

Hub Diameter

1.000 inches first end

First Groove Width

0.219 inches first end

First Groove Diameter

0.812 inches first end

Distance From End To First Groove

0.500 inches first end

Material

Steel comp 1022 or steel comp 8620

Material Specification

Mil-s-20166 military specification single material response

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

005548540

NSN

3020005548540

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2-JB-1004

Cage Code:

90099

Status:

MSDS:

Part Number:

2JB1004P1

Cage Code:

88657

Status:

MSDS:

Part Number:

B3263769

Cage Code:

53711

Status:

MSDS:

Part Number:

2JB1004

Cage Code:

79500

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 3020-00-554-8540

What are the manufacturers of nsn 3020005548540?

Northrop Grumman Systems Corporation (90099)
Westinghouse Electric Corp (88657)
Naval Sea Systems Command (53711)
Westinghouse Electric Corp (79500)

Does this nsn 3020005548540 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020005548540
A gear with teeth on its outer surface in the form of helical threads.

Does nsn 3020005548540 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020005548540 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020005548540?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

05467

FIIG:

A27300

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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