Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 19J140PC1T052-50P0UND found under Valve Safety Relief by Westinghouse Electric Corp. The National Stock Number assigned to this part is 4820002893871, 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 19J140PC1T052-50P0UND.