Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 540922-197 found under Retainer Panel Fastener Screw Assembly by Bae Systems Information And Electronic Systems Integration Inc Div Bae Systems. The National Stock Number assigned to this part is 5342008820987, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 540922-197.