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Spur Antibacklash Gear NSN 3020-00-546-9763

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 3020-00-546-9763 NSN: 3020-00-546-9763

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Features and Characteristics

Pitch Diameter
Between 1.9772 inches and 1.9792 inches
Teeth Quantity
95
Bore Style
W/ keyway both ends
Outside Diameter
2.019 inches
Nominallength
0.328 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.132 inches first end
Face Width
0.183 inches
Bore Diameter
0.240 inches both ends
Keyway Width
0.062 inches both ends
Distance From Bore Center To Keyway Bottom
0.168 inches both ends
Hub Style Designator
1 step first end
End Length
0.069 inches first end
Precision Classification
Quality number 8
End Diameter
0.625 inches first end
First Step Length
0.062 inches first end
First Step Diameter
1.000 inches first end
Material
Stainless steel hub
Material Specification
Qq-a-250/4, t3 federal specification single material response body
Style Designator
Protruding hub
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
005469763
NSN
3020005469763

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7604269
Cage Code:
19200
Status:
A
MSDS:
Part Number:
BA92745
Cage Code:
64959
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 3020-00-546-9763
What are the manufacturers of nsn 3020005469763?
Does this nsn 3020005469763 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020005469763
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 3020005469763 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020005469763 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020005469763?
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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