Worm Shaft

Model / MPN: 905J913-4 | NSN: 3040-00-684-1461

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

3040-00-684-1461

Sold in multiples of

1 EA

DEMIL

End Similarity

Not identical

Thread Length

0.750 inches first end, third portion

Overall Length

13.375 inches

Shaft Thread Size

In.-18

Screw Thread Series Designator

Unef-2a first end, third portion

Shaft Thread Direction

Right-hand first end, third portion

Teeth Hardness Rating

Between 56.0 rockwell c and 62.0 rockwell c

Worm Thread Quantity

Worm Thread Lead

0.750 inches

Worm Thread Direction

Right-hand

Worm Pressure Angle In Deg

14.500

Worm Helix Angle

7 degrees 35 min

Worm Outside Diameter

2.271 inches

Worm Pitch Diameter

1.794 inches

Shaft Hardness Rating

C scale 24 min

Worm Thread Section Length

3.000 inches

Worm Body Length

3.000 inches

Worm Body Tapered Bearing Surface End

Not provided

Shaft Location

Both ends of worm

Straight Unthreaded Length

1.000 inches second end, second portion

Straight Unthreaded Length

1.4735 inches second end, first portion

Straight Unthreaded Length

1.4375 inches first end, second portion

Straight Unthreaded Length

1.562 inches first end, first portion

Straight Unthreaded Length

4.125 inches second end, third portion