Model: 207630-2

Spur Antibacklash Gear

Properties:

Attachment Method
Clamp
Pitch Diameter
Between 1.5614 inches and 1.5624 inches
Teeth Quantity
150
Bore Style
Plain both ends
Outside Diameter
1.582 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.281 inches first end
Face Width
0.104 inches
Bore Diameter
0.125 inches both ends
Hub Style Designator
Split first end
Hub Diameter
0.188 inches first end
Clamping Surface Length
0.250 inches first end
Precision Classification
Quality number 10
Material
Aluminum alloy 2024 teeth
Material
Steel comp 303 hub
Material Specification
Qq-s-764, type 303, cond a federal specification single material response hub
Surface Treatment
Anodize teeth
Surface Treatment
Passivate hub
Style Designator
Protruding hub
NSN
3020-00-172-1839
Part Number
207630-2
Description
Gear,antibacklash,spur
CAGE
1W820

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 207630-2 NSN 3020-00-172-1839

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

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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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