Special Features:

Hole mtg; locking device for planetary gear system; three no. 8-32 tapped holes 3/8 in. Deep located on top; indicator, azimuth and range, radar

Properties:

A collection of two or more types of items, having a common mounting or mounted on each other, which together form a portion of an azimuth-range indicator, but which in it self is not a complete functioning item and cannot be assigned a more definite item name.