Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1022 156 78 found under Screw by Emerson Electric Co. The National Stock Number assigned to this part is 5305004500363, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1022 156 78.