Worm Shaft

Model / MPN: 529986-2 | NSN: 3040-00-880-7710

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

3040-00-880-7710

Sold in multiples of

1 EA

DEMIL

DEMIL/MLI

End Similarity

Not identical

Overall Length

11.000 inches

Screw Thread Series Designator

Unf either end, seventh portion

Shaft Thread Direction

Right-hand either end, seventh portion

Teeth Hardness Rating

Between 34.0 rockwell c and 38.0 rockwell c

Worm Thread Quantity

Worm Thread Lead

0.33333 inches

Worm Thread Direction

Right-hand

Worm Pressure Angle In Deg

14.500

Worm Helix Angle

4 degrees 33 min

Worm Outside Diameter

Between 0.3744 inches and 0.3750 inches

Worm Pitch Diameter

Between 0.3249 inches and 0.3307 inches

Shaft Hardness Rating

Between 34.0 rockwell c and 38.0 rockwell c

Worm Thread Section Length

9.470 inches

Worm Body Length

Between 10.320 inches and 10.330 inches

Worm Body Tapered Bearing Surface End

Not provided

Shaft Location

Both ends of worm

Straight Unthreaded Length

0.080 inches either end, sixth portion

Straight Unthreaded Length

0.100 inches either end, sixth portion

Straight Unthreaded Length

0.150 inches either end, third portion

Straight Unthreaded Length

0.200 inches either end, fourth portion

Straight Unthreaded Length

0.220 inches either end, fourth portion

Straight Unthreaded Length

0.230 inches either end, second portion

Straight Unthreaded Length

0.280 inches either end, first portion

Straight Unthreaded Length

0.260 inches either end, first portion

Straight Unthreaded Length

0.380 inches either end, fifth portion