Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S-922 PIECE 27 found under Ring Thrust by Tyco Valves And Controls Lp. The National Stock Number assigned to this part is 2825012707906, 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 S-922 PIECE 27.