Worm Shaft

Model / MPN: 7954478 | NSN: 3040-00-231-0219

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

3040-00-231-0219

Sold in multiples of

1 EA

DEMIL

End Similarity

Not identical

Overall Length

17.594 inches

Teeth Hardness Rating

C scale 58 to 63

Worm Thread Quantity

Worm Thread Lead

0.875 inches

Worm Thread Direction

Left-hand

Worm Pressure Angle In Deg

27.500

Worm Helix Angle

4 degrees 57 min

Worm Outside Diameter

Between 3.774 inches and 3.776 inches

Worm Pitch Diameter

3.216 inches

Shaft Hardness Rating

C scale 17 to 35

Worm Thread Section Length

3.750 inches

Worm Body Length

Between 11.066 inches and 11.076 inches

Worm Body Tapered Bearing Surface End

Not provided

Shaft Location

Both ends of worm

Straight Unthreaded Length

0.125 inches second end, first portion

Straight Unthreaded Length

0.125 inches first end, first portion

Straight Unthreaded Length

0.875 inches second end, second portion

Straight Unthreaded Length

0.875 inches first end, fourth portion

Straight Unthreaded Length

0.875 inches first end, second portion

Straight Unthreaded Length

1.032 inches second end, third portion

Straight Unthreaded Length

1.156 inches first end, third portion

Straight Unthreaded Length

1.438 inches second end, fourth portion