Model: 6231

Helical Gear

Properties:

Body Style
Webbed, offset, with lightening holes
Pitch Diameter
6.7244 inches
Teeth Quantity
60
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
18.0 rockwell c and 26.0 rockwell c
Outside Diameter
6.9244 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
26.8333 degrees
Face Width
1.250 inches
Bore Diameter
1.2497 inches both ends
Keyway Width
0.2525 inches both ends
Distance From Bore Center To Keyway Bottom
0.7600 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.000 inches second end
Hub Diameter
2.375 inches first end
Material
Iron
Material Specification
Navy 46-i-5c cl b military standard single material response
Style Designator
Flush hub
NSN
3020-00-528-7156
Part Number
6231
Description
Gear,helical
CAGE
81601

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 6231 NSN 3020-00-528-7156

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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