Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 230-0-001 ITEM NO.5 found under Parts Kit Ball Valve by Maritime Applied Physics Corporation. The National Stock Number assigned to this part is 4820016045098, 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 230-0-001 ITEM NO.5.