Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P12619049 PN E 11 99004 0280 found under Valve Regulating Fl by Coltec Industries Inc. The National Stock Number assigned to this part is 4820123630680, 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 P12619049 PN E 11 99004 0280.