Model: 4H8255

Helical Gear

Special Features:

Externally lubricated

Properties:

Body Style
Webbed, solid
Pitch Diameter
5.2225 inches
Teeth Quantity
33
Bore Style
Plain both ends
Outside Diameter
5.5100 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
24.0000 degrees
Distance Between Body Face And Protruding Hub End
1.183 inches first end
Distance Between Body Face And Recessed Hub End
0.313 inches second end
Face Width
1.010 inches
Bore Diameter
1.5030 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.610 inches first end
Material
Steel
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-341-1456
Part Number
4H8255
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 4H8255 NSN 3020-00-341-1456

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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