Worm Shaft

Model / MPN: 8642409 | NSN: 3040-00-715-9285

A drive shaft having helical threa (s) on a portion of its outer surface, machined bearing surface(s) and facilities for driving (other than a hub) on one or both ends of shaft. Designed to mate with a cam, gear sector, worm wheel, etc. Includes items with bearings. Excludes items having more than one worm complement of helical threads, items with a separate complement of gear teeth, and gear, worm.

Product Details

NATO Stock Number

3040-00-715-9285

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

End Similarity

Not identical

Thread Length

0.250 inches second end, third portion

Overall Length

Between 3.260 inches and 3.270 inches

Screw Thread Series Designator

Unf second end, third portion

Shaft Thread Direction

Right-hand second end, third portion

Teeth Hardness Rating

Between 30.0 rockwell c and 35.0 rockwell c

Worm Thread Quantity

Worm Thread Lead

0.100 inches

Worm Thread Direction

Right-hand

Worm Pressure Angle In Deg

14.500

Worm Helix Angle

3 degrees 39 min

Worm Outside Diameter

Between 0.558 inches and 0.563 inches

Worm Pitch Diameter

Between 0.499 inches and 0.500 inches

Shaft Hardness Rating

Between 30.0 rockwell c and 35.0 rockwell c

Worm Thread Section Length

Between 0.560 inches and 0.570 inches

Worm Body Length

1.314 inches

Worm Body Tapered Bearing Surface End

Not provided

Shaft Location

Both ends of worm

Straight Unthreaded Length

0.094 inches first end, first portion

Straight Unthreaded Length

0.234 inches second end, second portion

Straight Unthreaded Length

0.394 inches first end, second portion

Straight Unthreaded Length

0.650 inches second end, first portion

Straight Unthreaded Length

1.078 inches second end, fourth portion