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Worldwide distributor of NSN parts and consumables located in the USA.

Helical Gear

Model / MPN: HB-20 | NSN: 3020-00-580-4029
ITAR Registered seal

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:

Product Details
NATO Stock Number
3020-00-580-4029
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Plain, solid
Pitch Diameter
0.4419 inches
Teeth Quantity
20
Bore Style
Plain both ends
Hardness Rating
75.0 rockwell c hub and 83.0 rockwell c hub
Hardness Rating
75.0 rockwell c teeth and 83.0 rockwell c teeth
Outside Diameter
0.474 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
0.187 inches first end
Face Width
0.125 inches
Bore Diameter
0.1250 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.312 inches first end
Material
Steel comp 303s
Surface Treatment
Passivate
Style Designator
Protruding hub

Pricing and Availability

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HB-20 Cross Reference
  • H64S10-R20
  • AC7-20