Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 877018 found under Valve Core by Picatinny Arsenal. The National Stock Number assigned to this part is 2640000501229, 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 877018.