Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NMP-204 PIECE 3 found under Gasket by Keystone Intl Inc. The National Stock Number assigned to this part is 5330011298914, 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 NMP-204 PIECE 3.