Worm Shaft

Model / MPN: 8579548 | NSN: 3040-00-223-7169

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

3040-00-223-7169

Sold in multiples of

1 EA

DEMIL

End Similarity

Not identical

Thread Length

0.250 inches second end, fourth portion

Overall Length

Between 2.811 inches and 2.812 inches

Screw Thread Series Designator

Unf both ends

Shaft Thread Direction

Right-hand second end, fourth portion

Teeth Hardness Rating

Between 26.0 rockwell c and 31.0 rockwell c

Worm Thread Quantity

Worm Thread Lead

0.083 inches

Worm Thread Direction

Left-hand

Worm Pressure Angle In Deg

14.500

Worm Helix Angle

4 degrees 47 min

Worm Outside Diameter

Between 0.365 inches and 0.370 inches

Worm Pitch Diameter

0.083 inches

Shaft Hardness Rating

Between 26.0 rockwell c and 31.0 rockwell c

Worm Thread Section Length

Between 0.490 inches and 0.500 inches

Worm Body Length

Between 0.490 inches and 0.500 inches

Worm Body Tapered Bearing Surface End

Not provided

Shaft Location

Both ends of worm

Straight Unthreaded Length

0.120 inches second end, second portion

Straight Unthreaded Length

0.125 inches second end, second portion

Straight Unthreaded Length

0.223 inches second end, third portion

Straight Unthreaded Length

0.372 inches second end, first portion

Straight Unthreaded Length

0.472 inches first end, first portion

Straight Unthreaded Length

0.880 inches second end, fifth portion

Straight Unthreaded Length

0.870 inches second end, fifth portion