A sample from the products for the Pulse Generator (vt1100cs/ct/c2s/c2t) include: Bolt,frange Ubs 1, Wash,12.5x34x5, Pulse Gen Assy, Plate,pulser.
In this schematic the "Bolt,flange,6x20" is used most often.
The Bolt,flang,6x16 is the cheapest item from this partsfiche.