Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 99-0590231 found under Fuseholder Extractor Post by Bae Systems Operations Limited Dba Bae Systems Plc. The National Stock Number assigned to this part is 5920005817957, 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 99-0590231.