Model: A77876

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Spline Quantity
22 both ends
Pitch Diameter
5.0286 inches
Teeth Quantity
33
Bore Style
Involute spline both ends
Spline Pitch Diameter
2.7500 inches both ends
Hardness Rating
38.0 rockwell c and 42.0 rockwell c
Outside Diameter
5.315 inches
Nominallength
2.375 inches
Teeth Type
Single helix
Tooth Direction
Left
Pressure Angle
22.5000 degrees
Helix Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.125 inches first end
Distance Between Body Face And Recessed Hub End
0.195 inches first end
Face Width
2.250 inches
Bore Diameter
2.770 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
3.250 inches second end
Hub Diameter
3.625 inches first end
Material
Steel comp 3140
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-294-7789
Part Number
A77876
Description
Gear,helical
CAGE
58275

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 A77876 NSN 3020-00-294-7789

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

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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