Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9001A1002-1 found under Valve Vacuum Breaking by L3 Communications Corp. The National Stock Number assigned to this part is 4820014295925, 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 9001A1002-1.