Model: AC3-20

Helical Gear

Properties:

Body Style
Plain, solid
Pitch Diameter
0.5892 inches
Teeth Quantity
20
Bore Style
Plain both ends
Hardness Rating
75.0 rockwell c and 83.0 rockwell c
Outside Diameter
0.6310 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
45.0000 degrees
Distance Between Body Face And Protruding Hub End
0.219 inches first end
Face Width
0.187 inches
Bore Diameter
0.1873 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.375 inches first end
Material
Steel comp 303
Material Specification
Qq-s-764 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type ii federal specification single treatment response
Style Designator
Protruding hub
NSN
3020-00-735-4678
Part Number
AC3-20
Description
Gear,helical
CAGE
00141

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 AC3-20 NSN 3020-00-735-4678

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

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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