Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7074-7 found under Seat Valve by P S Manufacturing Inc. The National Stock Number assigned to this part is 4820000192634, 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 7074-7.