Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number USG NO. 1 POTTERY PLASTER found under Plaster Gypsum by United States Gypsum Co. The National Stock Number assigned to this part is 5610011319228, and the Federal Supply Class is 5610 Mineral Construction Materials Bulk. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like USG NO. 1 POTTERY PLASTER.