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Spur Antibacklash Gear NSN 3020-00-919-7461

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 3020-00-919-7461 NSN: 3020-00-919-7461

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Features and Characteristics

Pitch Diameter
1.5625 inches
Teeth Quantity
150
Bore Style
Plain both ends
Outside Diameter
1.583 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.188 inches first end
Face Width
0.104 inches
Bore Diameter
0.125 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
0.250 inches second end
Special Features
1st end hub terminates into rectangular split clamping device, 0.216 in.W by 0.531 in. Lg by 0.250 in. Ht, w/2 thd clamping holes
Material
Aluminum alloy 6061
Material Specification
Qq-a-225/8, t4 federal specification single material response
Style Designator
Protruding hubs
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
009197461
NSN
3020009197461

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
656836
Cage Code:
66672
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 3020-00-919-7461
What are the manufacturers of nsn 3020009197461?
Does this nsn 3020009197461 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020009197461
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 3020009197461 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020009197461 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020009197461?
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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