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

Helical Gear

Model / MPN: A3380-1 | NSN: 3020-00-294-7775
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
3020-00-294-7775
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Webbed, with lightening holes
Pitch Diameter
21.8530 inches
Teeth Quantity
131
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
21.9660 inches
Nominallength
4.247 inches
Teeth Type
Double helix, solid
Pressure Angle
20.0000 degrees
Helix Angle
30.0000 degrees
Distance Between Body Face And Protruding Hub End
0.247 inches first end
Face Width
4.000 inches
Bore Diameter
3.813 inches both ends
Keyway Width
0.875 inches both ends
Distance From Bore Center To Keyway Bottom
2.297 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
6.250 inches first end
Hub Diameter
6.250 inches second end
Material
Steel
Style Designator
One protruding hub, one flush hub
A3380 Series Parts

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A3380-1 Cross Reference