Worm Shaft

Model / MPN: 18030-30 | NSN: 3040-00-116-5182

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

3040-00-116-5182

Sold in multiples of

1 EA

DEMIL

End Similarity

Identical

Overall Length

Between 11.594 inches and 11.656 inches

Teeth Hardness Rating

Between 60.0 rockwell c and 62.0 rockwell c

Worm Thread Quantity

Worm Thread Lead

0.8378 inches

Worm Thread Direction

Right-hand

Worm Pressure Angle In Deg

25.000

Worm Helix Angle

7 degrees 36 min

Worm Outside Diameter

2.533 inches

Worm Pitch Diameter

2.000 inches

Shaft Hardness Rating

Between 60.0 rockwell c and 62.0 rockwell c

Worm Thread Section Length

5.500 inches

Worm Body Length

7.601 inches

Worm Body Tapered Bearing Surface End

Not provided

Shaft Location

Both ends of worm

Straight Unthreaded Length

0.531 inches second end, second portion

Straight Unthreaded Length

0.938 inches second end, first portion

Straight Unthreaded Length

0.933 inches second end, first portion

Straight Unthreaded Length

1.211 inches first end, first portion

Straight Unthreaded Length

1.273 inches first end, first portion