Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D2D60-1-N found under Valve Check by Sterling Hydraulics Inc. The National Stock Number assigned to this part is 4820013508948, 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 D2D60-1-N.