Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UCNCNN17CMPP CDS DNX62 4P6-2 found under Valve Safety Relief by Dante Valve Company Inc. The National Stock Number assigned to this part is 4820014820558, 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 UCNCNN17CMPP CDS DNX62 4P6-2.