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Helical Gear

Model / MPN: 139885-01 | NSN: 3020-00-757-4658
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
3020-00-757-4658
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Plain, solid
End Application
Helicopter, supercobra advance attack ah-1w
Pitch Diameter
0.5007 inches
Teeth Quantity
36
Bore Style
Plain both ends
Criticality Code Justification
Feat
Outside Diameter
0.528 inches
Teeth Type
Single helix
Tooth Form
Stub
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
3.0000 degrees
Distance Between Body Face And Protruding Hub End
0.080 inches second end
Distance Between Body Face And Protruding Hub End
0.148 inches first end
Face Width
0.047 inches
Bore Diameter
0.091 inches both ends
Hub Style Designator
Plain second end
Hub Style Designator
Split first end
Hub Diameter
0.124 inches first end
Hub Diameter
0.150 inches second end
Clamping Surface Length
0.110 inches first end
Precision Classification
Quality number 10
Material
Plastic acetal body
Material
Steel comp 303 hub
Material Specification
L-p-392, type 1, class 1 federal specification single material response body
Material Specification
Mil-s-7720, cond a military specification single material response hub
Surface Treatment
Passivate hub
Surface Treatment Specification
Qq-p-35 federal specification single treatment response hub
Style Designator
Protruding hubs
139885 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7L017T7262 Gear, Helical 5 EA 10/06/2017

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139885-01 Cross Reference
  • 139885-01