Spur Antibacklash Gear NSN 3020-01-348-1588

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: 3020-01-348-1588

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Features and Characteristics

Pitch Diameter

0.9375 inches

Teeth Quantity

Bore Style

Plain both ends

Outside Diameter

0.958 inches

Tooth Form

Standard

Pressure Angle

20.0000 degrees

Distance Between Body Face And Protruding Hub End

0.221 inches first end

Face Width

0.104 inches

Bore Diameter

0.120 inches first end

Hub Style Designator

1 step first end

End Length

0.180 inches first end

End Diameter

0.187 inches first end

First Step Length

0.041 inches first end

First Step Diameter

0.495 inches first end

Special Features

Hub has split 0.180 in. From end

Material

Steel comp 303 first gearsteel comp 303 hubsteel comp 303 second gear

Material Specification

Astm a582 assn standard single material response first gearastm a582 assn standard single material response hubastm a582 assn standard single material response second gear

Surface Treatment

Passivate first gearpassivate hubpassivate second gear

Surface Treatment Specification

Qq-p-35 federal specification single treatment response first gearqq-p-35 federal specification single treatment response hubqq-p-35 federal specification single treatment response second gear

Style Designator

Protruding hub

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

013481588

NSN

3020013481588

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

S9712A-Z3H090X-P

Cage Code:

00328

Status:

MSDS:

Part Number:

Z3H090X-P1

Cage Code:

00328

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 3020-01-348-1588

What are the manufacturers of nsn 3020013481588?

Designatronics Incorporated (00328)

Does this nsn 3020013481588 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020013481588
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 3020013481588 contain any precious metals?
No precious metal content.

Does nsn 3020013481588 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020013481588?
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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