Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S And P135B-3 found under Strainer Sediment by Staples And Pfeiffer Inc. The National Stock Number assigned to this part is 4730015346471, 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 S And P135B-3.