Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B99304-4 found under Capacitor Fixed Ceramic Dielectr by Raytheon Systems Ltd. The National Stock Number assigned to this part is 5910007175824, and the Federal Supply Class is 5910 Capacitors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B99304-4.