Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DF1505 found under Valve Plug by Refinite Products Sales Inc. The National Stock Number assigned to this part is 4820003714390, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DF1505.