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Worm Wheel Gear

Model / MPN: 031C975-4 | NSN: 3020-00-088-4593
ITAR Registered seal

A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a gear (1), worm. See also gear, antibacklash, worm wheel.

Product Details
NATO Stock Number
3020-00-088-4593
Sold in multiples of
1 EA
DEMIL
NO
Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
1.8750 inches
Teeth Quantity
30
Face Type
Concave
Bore Style
W/counterbore counter bore, second end
Mounting Hole Thread Series Designator
Unc axially through hub, first end
Mounting Hole Thread Series Designator
Unc axially through hub, second end
Mounting Hole Thread Size
0.190 inches axially through hub, first end
Mounting Hole Thread Size
0.190 inches axially through hub, second end
Mounting Hole Type And Quantity
4 threaded axially through hub, second end
Mounting Hole Type And Quantity
6 threaded axially through hub, first end
Outside Diameter
0.043 inches
Tooth Direction
Right
Mating Thread Lead Quantity
4
Pressure Angle
20.0000 degrees
Helix Angle
21.7998 degrees
Distance Between Body Face And Protruding Hub End
1.094 inches second end
Distance Between Body Face And Protruding Hub End
1.341 inches first end
Face Width
0.125 inches
Bore Diameter
0.623 inches counter bore, second end
Counterbore Depth
0.388 inches counter bore, second end
Counterbore Diameter
1.260 inches counter bore, second end
Hub Style Designator
1 step second end
Hub Style Designator
3 steps first end
End Length
0.281 inches first end
End Length
0.624 inches second end
End Diameter
1.566 inches first end
End Diameter
1.969 inches second end
First Step Length
0.185 inches second end
First Step Length
0.625 inches first end
First Step Diameter
1.575 inches first end
First Step Diameter
2.211 inches second end
Second Step Length
0.188 inches first end
Second Step Diameter
1.813 inches first end
Third Step Length
0.266 inches first end
Third Step Diameter
1.625 inches first end
Material
Copper alloy
Style Designator
Protruding hubs
031C975 Series Parts

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031C975-4 Cross Reference