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

Helical Gear

Model / MPN: 72538-1 | NSN: 3020-00-489-8953
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
3020-00-489-8953
Sold in multiples of
DEMIL
NO
Body Style
Plain, solid
Pitch Diameter
0.4420 inches
Teeth Quantity
20
Bore Style
Plain both ends
Outside Diameter
0.470 inches
Nominallength
0.271 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
45.0000 degrees
Distance Between Body Face And Protruding Hub End
0.067 inches second end
Distance Between Body Face And Protruding Hub End
0.094 inches first end
Face Width
0.110 inches
Bore Diameter
0.127 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
0.250 inches first end
Hub Diameter
0.250 inches second end
Material
Copper alloy 360
Material Specification
Qq-b-626 federal specification single material response
Style Designator
Protruding hubs
72538 Series Parts

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72538-1 Cross Reference