Worm Shaft

Model / MPN: 10512788 | NSN: 3040-00-402-2198

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

3040-00-402-2198

Sold in multiples of

1 EA

DEMIL

End Similarity

Not identical

Thread Length

0.262 inches second end, fifth portion

Overall Length

Between 3.640 inches and 3.650 inches

Screw Thread Series Designator

Unf both ends

Shaft Thread Direction

Left-hand second 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 0.640 inches and 0.650 inches

Worm Body Length

Between 0.640 inches and 0.650 inches

Worm Body Tapered Bearing Surface End

Not provided

Shaft Location

Both ends of worm

Straight Unthreaded Length

0.167 inches second end, third portion

Straight Unthreaded Length

0.177 inches second end, third portion

Straight Unthreaded Length

0.196 inches second end, first portion

Straight Unthreaded Length

0.240 inches second end, fourth portion

Straight Unthreaded Length

0.240 inches second end, second portion

Straight Unthreaded Length

0.250 inches second end, second portion

Straight Unthreaded Length

0.250 inches second end, fourth portion

Straight Unthreaded Length

0.280 inches first end, first portion

Straight Unthreaded Length

0.410 inches first end, second portion

Straight Unthreaded Length

0.420 inches first end, second portion

Straight Unthreaded Length

1.1854 inches second end, sixth portion