Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 212A537-2 found under Screw Assembly by Bae Systems Controls Inc. The National Stock Number assigned to this part is 5305007755058, 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 212A537-2.