Model: 8000192

Spur Antibacklash Gear

Properties:

Attachment Method
Mounting hole
Pitch Diameter
3.1250 inches
Teeth Quantity
150
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Mounting Hole Thread Series Designator
Unc axially through body, first end
Mounting Hole Thready Qty Per Inch (tpi)
40 axially through body, first end
Mounting Hole Thread Size
0.112 inches axially through body, first end
Mounting Hole Type And Quantity
2 threaded axially through body, first end
Outside Diameter
3.163 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.347 inches first end
Face Width
0.188 inches
Bore Diameter
0.375 inches both ends
Keyway Width
0.096 inches both ends
Distance From Bore Center To Keyway Bottom
0.246 inches both ends
Hub Style Designator
2 steps first end
End Length
0.031 inches first end
End Diameter
0.435 inches first end
First Step Length
0.094 inches first end
First Step Diameter
0.516 inches first end
Second Step Length
0.222 inches first end
Second Step Diameter
0.688 inches first end
Material
Steel comp 303 first gear
Surface Treatment
Passivate
Surface Treatment Specification
Mil-std-171, 5.4 military standard single treatment response
Style Designator
Protruding hub
NSN
3020-00-800-0192
Part Number
8000192
Description
Gear,antibacklash,spur
CAGE
18876

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.

Part 8000192 NSN 3020-00-800-0192

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26668
FIIG:
A27300
Concept No.:
App. Key:
AC
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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