Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NL287-1 found under Sear Ring Metal by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 2825000750393, and the Federal Supply Class is 2825 Steam Turbines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NL287-1.