Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 190030-0000 found under Fuseholder Block by Selex Systems Integration Inc. The National Stock Number assigned to this part is 5920013854413, and the Federal Supply Class is 5920 Fuses Arresters Absorbers And Protector. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 190030-0000.