This is a box of 5 original WW2 vintage ceramic trimmer capacitors that are spare parts for the BC-348-Q military aircraft radio receivers. These are unused in very good condition. They have been in storage since the early 1940's. These are marked 3-12 pf.  The item number is 23.79, the stock number is 3D9012V-1. This sale is for a box of 5 ceramic trimmer capacitors.