Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number YE80120B found under Screw Cap Hexagon H by Lift A Loft Corporation. The National Stock Number assigned to this part is 5305005434718, 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 YE80120B.