Spur Gear NSN 3020-00-421-7618

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: 3020-00-421-7618

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Features and Characteristics

Body Style

Plain, solid

Attachment Method

Mounting hole

Pitch Diameter

8.4375 inches

Teeth Quantity

270

Bore Style

Plain both ends

Hardness Rating

42.0 rockwell c and 45.0 rockwell c

Mounting Hole Type And Quantity

2 plain transversely through hub, first end

Outside Diameter

8.500 inches

Tooth Form

Standard

Pressure Angle

20.0000 degrees

Distance Between Body Face And Protruding Hub End

0.643 inches first end

Face Width

0.515 inches

Bore Diameter

7.750 inches both ends

Hub Style Designator

1 step first end

End Length

0.111 inches first end

End Diameter

7.937 inches first end

First Step Length

0.532 inches first end

First Step Diameter

8.125 inches first end

Mounting Hole Diameter

0.125 inches transversely through hub, first end

Special Features

Eight partially drilled holes on gear face, 0.164-32 unc equally spaced on 8.062 bolt circle dia. Holes are 0.469 in. Deep

Material

Steel comp 440c

Material Specification

Qq-s-763 cl 440c federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-f-14072, finish e300 military specification single treatment response

Style Designator

Protruding hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

004217618

NSN

3020004217618

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

211160-000

Cage Code:

81413

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 3020-00-421-7618

What are the manufacturers of nsn 3020004217618?

Bae Systems Information And (81413)

Does this nsn 3020004217618 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020004217618
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 3020004217618 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020004217618 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020004217618?
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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