Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 992-2229 found under Screw Cap Socket Head by Atlas Polar Company Limited. The National Stock Number assigned to this part is 5305011599393, 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 992-2229.