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

Helical Gear

Model / MPN: 30-8-39 | NSN: 3020-00-752-1016
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
3020-00-752-1016
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Webbed, solid
Pitch Diameter
5.1977 inches
Teeth Quantity
37
Bore Style
W/counterbore counterbore, first end
Hardness Rating
59.0 rockwell c and 62.0 rockwell c
Outside Diameter
5.443 inches
Teeth Type
Single helix
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
28.2777 degrees
Distance Between Body Face And Protruding Hub End
0.390 inches first end
Face Width
1.078 inches
Bore Diameter
1.968 inches counterbore, first end
Counterbore Depth
0.114 inches counterbore, first end
Counterbore Diameter
2.234 inches counterbore, first end
Hub Style Designator
Externally splined, involute splines first end
Hub Spline Quantity
19 first end
Hub Spline Pitch Diameter
5.1977 inches first end
Material
Steel comp 8620h
Material Specification
Mil-s-13048 military specification single material response
Style Designator
One protruding hub, one flush hub

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30-8-39 Cross Reference
  • 7521016
  • 914098
  • 30-8-30
  • 2342T2