Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 100PERFABEAD8FT found under Corner Bead by United States Gypsum Co. The National Stock Number assigned to this part is 5680009832025, and the Federal Supply Class is 5680 Miscellaneous Construction Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 100PERFABEAD8FT.