Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NMP 103PC12 17 18 19 found under Stem Disc Assy Spec by Anderson Greenwood Lp. The National Stock Number assigned to this part is 4820013511496, 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 NMP 103PC12 17 18 19.