Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KHM3H SP 1 1 4 SW 3312 found under Valve Ball by Hydac Corp. The National Stock Number assigned to this part is 4820016719772, 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 KHM3H SP 1 1 4 SW 3312.