Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A32 WSR 2142 1X found under Valve Bleeder Hydraulic System by Cooper Cameron Corp. The National Stock Number assigned to this part is 4820000845559, 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 A32 WSR 2142 1X.