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Spur Antibacklash Gear NSN 3020-01-343-0907

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 3020-01-343-0907 NSN: 3020-01-343-0907

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Features and Characteristics

Attachment Method
Mounting hole
Teeth Quantity
86
Bore Style
Plain both ends
Mounting Hole Type And Quantity
1 plain transversely through hub, first end and 1 threaded transversely through hub, first end
Hub Style Designator
Plain both ends
Special Features
Item is double antibacklash, with 2 loose gears on the sides of the a/b gears
Style Designator
Protruding hubs
Furnished Items And Quantity
2 retaining ring and 1 spring pin
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
013430907
NSN
3020013430907

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
277816
Cage Code:
85374
Status:
A
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 3020-01-343-0907
What are the manufacturers of nsn 3020013430907?
Does this nsn 3020013430907 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020013430907
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 3020013430907 contain any precious metals?
No precious metal content.
Does nsn 3020013430907 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020013430907?
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:
AC
Cond. Code:
1
Status:
A

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