Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B33DPN-P199 PIECE 6 found under Seal Plain Encased by Bay State Controls Corporation. The National Stock Number assigned to this part is 5330013452301, 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 B33DPN-P199 PIECE 6.