Worm Shaft

Model / MPN: 10512780 | NSN: 3040-00-421-1679

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

3040-00-421-1679

Sold in multiples of

1 EA

DEMIL

End Similarity

Not identical

Thread Length

0.261 inches first end, fifth portion

Overall Length

4.410 inches

Screw Thread Series Designator

Unf first end

Shaft Thread Direction

Right-hand first end, fifth portion

Teeth Hardness Rating

Between 26.0 rockwell c and 31.0 rockwell c

Worm Thread Quantity

Worm Thread Lead

0.125 inches

Worm Thread Direction

Left-hand

Worm Pressure Angle In Deg

14.500

Worm Helix Angle

5 degrees 11 min

Worm Outside Diameter

Between 0.513 inches and 0.518 inches

Worm Pitch Diameter

Between 0.436 inches and 0.438 inches

Shaft Hardness Rating

Between 26.0 rockwell c and 31.0 rockwell c

Worm Thread Section Length

Between 0.740 inches and 0.750 inches

Worm Body Length

Between 0.740 inches and 0.750 inches

Worm Body Tapered Bearing Surface End

Not provided

Shaft Location

Both ends of worm

Straight Unthreaded Length

0.1115 inches first end, sixth portion

Straight Unthreaded Length

0.1015 inches first end, sixth portion

Straight Unthreaded Length

0.105 inches first end, first portion

Straight Unthreaded Length

0.130 inches first end, first portion

Straight Unthreaded Length

0.205 inches first end, third portion

Straight Unthreaded Length

0.2125 inches second end, first portion

Straight Unthreaded Length

0.215 inches first end, third portion

Straight Unthreaded Length

0.240 inches first end, fourth portion

Straight Unthreaded Length

0.240 inches first end, second portion

Straight Unthreaded Length

0.2425 inches second end, first portion

Straight Unthreaded Length

0.250 inches first end, fourth portion

Straight Unthreaded Length

0.250 inches first end, second portion

Straight Unthreaded Length

0.510 inches second end, second portion

Straight Unthreaded Length

0.500 inches second end, second portion

Straight Unthreaded Length

1.750 inches second end, third portion