Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 47A120-37 found under Sleeve Seal Coupler by Rsa Engineered Products Llc. The National Stock Number assigned to this part is 5330011710489, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 47A120-37.