Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PF-42159 ITEM 1 found under Seal by Enertec America Inc. The National Stock Number assigned to this part is 5330011424766, 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 PF-42159 ITEM 1.