Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 04042101 found under Elbow Tube To Boss by Fluid Line Products Incorporated. The National Stock Number assigned to this part is 4730015346548, 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 04042101.