Spur Antibacklash Gear NSN 3020-00-398-0627

Item Description

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

NSN: 3020-00-398-0627

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Features and Characteristics

Pitch Diameter

0.8125 inches

Teeth Quantity

Outside Diameter

0.844 inches

Tooth Form

Standard

Pressure Angle

20.0000 degrees

Distance Between Body Face And Protruding Hub End

0.856 inches first end

Face Width

0.042 inches

Hub Style Designator

2 steps both ends

End Length

0.801 inches first end

End Diameter

0.031 inches both ends

First Step Length

0.031 inches second end

First Step Diameter

0.058 inches both ends

Second Step Length

0.031 inches first end

Second Step Diameter

0.262 inches first end

Material

Stainless steel teeth

Style Designator

Protruding hubs

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

003980627

NSN

3020003980627

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

116167

Cage Code:

88818

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 3020-00-398-0627

What are the manufacturers of nsn 3020003980627?

Kearfott Corporation (88818)

Does this nsn 3020003980627 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020003980627
An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. the free gear is attached to the fixed gear by springs and operates as one gear. upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. this spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. the gear is used where identical and accurate transmitted motion between gears is required.

Does nsn 3020003980627 contain any precious metals?
Precious metal content is unknown.

Does nsn 3020003980627 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020003980627?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

26668

FIIG:

A27300

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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