Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 077-34156-001 REV B NO.25 found under Valve Solenoid by Microsemi Corp Massachusetts. The National Stock Number assigned to this part is 4810016471189, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 077-34156-001 REV B NO.25.