Spur Antibacklash Gear NSN 3020-01-235-9200

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: 3020-01-235-9200

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Features and Characteristics

End Application

Aircraft, galaxy c-5

Pitch Diameter

2.6071 inches

Teeth Quantity

Bore Style

Plain second end

Criticality Code Justification

Feat

Outside Diameter

2.677 inches

Tooth Form

Stub

Pressure Angle

20.0000 degrees

Distance Between Body Face And Protruding Hub End

0.745 inches first end

Face Width

0.190 inches

Bore Diameter

0.530 inches first end

Hub Style Designator

Plain second end

Hub Diameter

0.530 inches second end

Precision Classification

Quality number 11

Special Features

Bore insert is splined sleeve, 1.41 in. O/a lg., 0.375 in. Od, 9 internal teeth. Weapon system essential

Material

Steel comp 304 sleeve

Material Specification

Qq-s-763, cond a federal specification single material response sleeve

Surface Treatment

Passivate sleeve

Surface Treatment Specification

Mil-std-171, fn 5.4 military standard single treatment response sleeve

Style Designator

Protruding hubs

Furnished Items And Quantity

1 dowel pin and 1 bore insert

FSC

3020 Transmission Chain Sprockets Pulleys Gears

NIIN

012359200

NSN

3020012359200

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

C5P27333

Cage Code:

98750

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 3020-01-235-9200

What are the manufacturers of nsn 3020012359200?

San Antonio Air Logistics Center (98750)
Speco Corp (78567)

Does this nsn 3020012359200 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3020012359200
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 3020012359200 contain any precious metals?
No precious metal content.

Does nsn 3020012359200 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3020012359200?
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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