Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number INST MAN EZ-SERIES IT.42 found under Gasket by Walchem Corp. The National Stock Number assigned to this part is 5330015686680, 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 INST MAN EZ-SERIES IT.42.