Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B44-3-.375ODX-.250IDX50FT found under Tubing by Saint Gobain Performance Plastics. The National Stock Number assigned to this part is 4710010407836, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B44-3-.375ODX-.250IDX50FT.