Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K 1 3T 1 2 NPT 36 T found under Disk Valve by Gould J D Co Inc. The National Stock Number assigned to this part is 4820014284347, 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 K 1 3T 1 2 NPT 36 T.