Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6P-187 found under Valve Core by Sulzer Metco Usa Inc. The National Stock Number assigned to this part is 2640014544523, and the Federal Supply Class is 2640 Tire Rebuilding And Tire And Tube Repair Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6P-187.