Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 192-93 found under Chopper Light Signal by Princeton Applied Research Corp. The National Stock Number assigned to this part is 6030010164683, and the Federal Supply Class is 6030 Fiber Optic Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 192-93.