Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VV-0350-51105577 PIECE 12 found under Retainer Disk Valve by Kings Point Mfg Co Inc. The National Stock Number assigned to this part is 4820014255564, 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 VV-0350-51105577 PIECE 12.