Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W072084B02TS 33311-30K 882039364 found under Valve Stop Lift Check by Velan Valve Corporation. The National Stock Number assigned to this part is 4820007529958, 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 W072084B02TS 33311-30K 882039364.