Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS22A216 found under Worm Shaft by G E C Marconi Avionics Ltd. The National Stock Number assigned to this part is 3040999644060, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SS22A216.