Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 973 .50IN 150FL found under Strainer Sediment by Staples And Pfeiffer Inc. The National Stock Number assigned to this part is 4730013659201, 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 973 .50IN 150FL.