Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 100318601 found under Packing With Retainer by Mks Instruments Inc. The National Stock Number assigned to this part is 5330014838258, 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 100318601.