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

Helical Gear

Model / MPN: 427130 | NSN: 3020-00-737-7495
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
3020-00-737-7495
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Webbed, with lightening holes
Pitch Diameter
6.7835 inches
Teeth Quantity
37
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
58.0 rockwell c and 62.0 rockwell c
Outside Diameter
7.114 inches
Nominallength
1.999 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
24.6200 degrees
Distance Between Body Face And Protruding Hub End
0.813 inches first end
Distance Between Body Face And Recessed Hub End
0.094 inches second end
Face Width
1.188 inches
Bore Diameter
2.349 inches both ends
Keyway Width
0.498 inches both ends
Distance From Bore Center To Keyway Bottom
1.382 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
3.000 inches first end
Hub Diameter
3.000 inches second end
Material
Steel comp 4320 or steel comp 8620h
Material
Steel comp 4320 or steel comp 8620h
Material Specification
Qq-s-624, comp 4320 federal specification 1st material response or qq-s-624, comp 8620h federal specification 2nd material response
Style Designator
One protruding hub, one recessed hub

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427130 Cross Reference
  • 3TF321A
  • 7377495