Special Features:

Major components: terminal board; mounting method and configuration: three no. 8-32 (0.164) inch threaded mounting holes, irregularly spaced on 4.812 inch by 3.062 inch mounting centers

Properties:

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of an oscillator but which in itself is not a complete functioning item and cannot be assigned a more definite item name.