Model: 202-384

Spur Antibacklash Gear

Properties:

Attachment Method
Mounting hole
Pitch Diameter
1.0000 inches
Teeth Quantity
64
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
56 transversely through hub, first end
Mounting Hole Thread Size
0.086 inches transversely through hub, first end
Mounting Hole Type And Quantity
2 threaded transversely through hub, first end
Outside Diameter
1.0310 inches
Nominallength
0.241 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.116 inches first end
Distance Between Body Face And Protruding Hub End
0.020 inches second end
Face Width
0.055 inches
Bore Diameter
0.211 inches both ends
Hub Style Designator
1 groove first end
Hub Style Designator
Plain second end
Hub Diameter
0.248 inches first end
First Groove Width
0.030 inches first end
First Groove Diameter
0.211 inches first end
Distance From End To First Groove
0.191 inches first end
Material
Steel comp 302 teeth
Material
Steel comp 303 body
Material Specification
Fed standard 66 federal standard single material response body
Material Specification
Fed standard 66 federal standard single material response teeth
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Peripheral face, hubless
NSN
3020-00-437-5637
Part Number
202-384
Description
Gear,antibacklash,spur
CAGE
90073

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 202-384 NSN 3020-00-437-5637

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197583
UFC:
96710
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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