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Spur Antibacklash Gear NSN 3020-01-348-1589

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 3020-01-348-1589 NSN: 3020-01-348-1589

Features and Characteristics

Pitch Diameter
1.5938 inches
Teeth Quantity
153
Bore Style
Plain both ends
Outside Diameter
1.615 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
0.125 inches both ends
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. Lg from end
Material
Steel comp 303
Material Specification
Astm a582 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Protruding hub
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
013481589
NSN
3020013481589

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S9703ANZ3H153-P
Cage Code:
00328
Status:
A
MSDS:
Part Number:
Z3H153-P1
Cage Code:
00328
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 3020-01-348-1589
What are the manufacturers of nsn 3020013481589?
Does this nsn 3020013481589 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020013481589
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 3020013481589 contain any precious metals?
No precious metal content.
Does nsn 3020013481589 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020013481589?
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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  •   Quality Inspected Parts
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