Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P42278 found under Strip by Siemens Water Technologies Corp. The National Stock Number assigned to this part is 4730011326232, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P42278.