Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 887 22 found under Gasket by Bureau Of Mines Helium Operations. The National Stock Number assigned to this part is 5330009634298, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 887 22.