Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LSM49C56S4D found under Elbow Tube by Huck International Inc. The National Stock Number assigned to this part is 4730010300444, 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 LSM49C56S4D.