Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS22A407 found under Spacer Ring by G E C Marconi Avionics Ltd. The National Stock Number assigned to this part is 5365999644035, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SS22A407.