Worm Wheel Gear

Model / MPN: 31121 | NSN: 3020-00-858-0507

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

3020-00-858-0507

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

Body Style

Webbed, offset, with lightening holes

Pitch Diameter

2.5942 inches

Teeth Quantity

163

Face Type

Concave

Bore Style

W/counterbore counter bore, second end

Outside Diameter

2.6500 inches

Tooth Direction

Left

Throat Radius

0.290 inches

Mating Thread Lead Quantity

Pressure Angle

20.0000 degrees

Helix Angle

1.5000 degrees

Distance Between Body Face And Protruding Hub End

1.250 inches first end

Distance Between Body Face And Protruding Hub End

0.055 inches second end

Face Width

0.255 inches

Bore Diameter

0.200 inches counterbore, first end

Counterbore Depth

0.1800 inches second end

Counterbore Diameter

0.574 inches counter bore, second end

Hub Style Designator

Plain both ends

Hub Diameter

0.745 inches second end

Hub Diameter

1.000 inches first end

Material

Stainless steel

Surface Treatment

Passivate

Style Designator

Protruding hubs

31121 Series Parts

Pricing and Availability

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31121 Cross Reference

31121