Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 400-0792 found under Cock Drain by Young Engineering And Manufacturing. The National Stock Number assigned to this part is 4820016227214, 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 400-0792.