Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 368 1 2IN found under Cock Plug by Eclipse Inc. The National Stock Number assigned to this part is 4820001741288, 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 368 1 2IN.