Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 59C199R4PC10 found under Disc Valve by Ametek Inc. The National Stock Number assigned to this part is 4820008110508, 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 59C199R4PC10.