Spur Gear NSN 3020-00-499-4242

Item Description

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

NSN: 3020-00-499-4242

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Features and Characteristics

Body Style

Plain, solid

Attachment Method

Mounting hole

Pitch Diameter

0.7500 inches

Teeth Quantity

Bore Style

W/ keyway both ends

Mounting Hole Thread Series Designator

Unc axially through hub, first end

Mounting Hole Thready Qty Per Inch (tpi)

18 axially through hub, first end

Hardness Rating

55.0 rockwell c and 60.0 rockwell c

Mounting Hole Thread Size

0.312 inches axially through hub, first end

Mounting Hole Type And Quantity

2 threaded axially through hub, first end

Outside Diameter

3.000 inches

Tooth Form

Standard

Pressure Angle

20.0000 degrees

Distance Between Body Face And Protruding Hub End

0.3750 inches first end

Face Width

0.750 inches

Bore Diameter

0.8755 inches both ends

Keyway Width

0.1870 inches both ends

Distance From Bore Center To Keyway Bottom

0.5295 inches both ends

Hub Style Designator

Plain both ends

Hub Diameter

1.6625 inches first end

Mounting Hole Diameter

0.125 inches axially through hub, first end

Special Features

Position of keyway must be centered between teeth

Material

Steel

Material Specification

Qq-s-624 federal specification single material response

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

004994242

NSN

3020004994242

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2723

Cage Code:

54641

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 3020-00-499-4242

What are the manufacturers of nsn 3020004994242?

Lear Siegler Inc (54641)
Marine Engine Specialties Div Of (16460)

Does this nsn 3020004994242 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020004994242
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. see also gear, antibacklash, spur. for bulk material, see rod, pinion.

Does nsn 3020004994242 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020004994242 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020004994242?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

05466

FIIG:

A27300

App. Key:

Cond. Code:

Status:

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