Model: 4B3819

Helical Gear

Special Features:

1/16 in. By 45 degrees chamfer both ends of bore

Properties:

Body Style
Plain, solid
Pitch Diameter
3.2910 inches
Teeth Quantity
25
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
3.6250 inches
Nominallength
1.500 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
18.0000 degrees
Distance Between Body Face And Protruding Hub End
0.375 inches first end
Face Width
1.125 inches
Bore Diameter
1.875 inches both ends
Keyway Width
0.375 inches both ends
Distance From Bore Center To Keyway Bottom
1.125 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
2.500 inches first end
Material
Steel
Style Designator
Protruding hub
NSN
3020-00-423-9318
Part Number
4B3819
Description
Gear,helical
CAGE
11083

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 4B3819 NSN 3020-00-423-9318

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:
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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