Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 107D4240-58 found under Tubing Nonmetallic by Fleet Readiness Center East Div Department Of Navy. The National Stock Number assigned to this part is 4720016113752, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 107D4240-58.