Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DX 13C 156T0186PSI 1 2IN found under Valve Angle by Anderson Greenwood Lp. The National Stock Number assigned to this part is 4820012229612, 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 DX 13C 156T0186PSI 1 2IN.