Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TRI-915022R-020 found under by Triad Process Equipment Inc. The National Stock Number assigned to this part is 4820015610908, 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 TRI-915022R-020.