Model: 77146H

Helical Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
8.3057 inches
Teeth Quantity
50
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
8.6380 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
23.4167 degrees
Distance Between Body Face And Protruding Hub End
0.1903 inches second end
Face Width
1.377 inches
Bore Diameter
2.250 inches first end
Keyway Width
0.378 inches both ends
Distance From Bore Center To Keyway Bottom
1.3175 inches first end
Hub Style Designator
Plain both ends
Hub Diameter
2.750 inches first end
Hub Diameter
2.750 inches second end
Material
Steel
Material Specification
Qq-s-624 federal specification single material response
Style Designator
Protruding hubs
NSN
3020-00-268-4200
Part Number
77146H
Description
Gear,helical
CAGE
89346

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 77146H NSN 3020-00-268-4200

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
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

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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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