Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SP-59 PIECE 20 found under Adapter Straight Pipe To Tube by Beach Russ Company. The National Stock Number assigned to this part is 4730002660535, 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 SP-59 PIECE 20.