Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HV 222 L E 0 90 found under Valve Stop by Bauer Nilsen A S. The National Stock Number assigned to this part is 4820251503250, 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 HV 222 L E 0 90.