Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 419000A found under Seal by Master Pneumatic Detroit Inc. The National Stock Number assigned to this part is 5330004350518, 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 419000A.