Method for manufacturing of fuel nozzle floating collar

A method of manufacturing a floating collar adapted to be slidably engaged on a fuel nozzle for providing a sealing interface between the fuel nozzle and a combustor wall, the method comprising:

• metal injection moulding a generally cylindrical part having an axis, a collar portion and a sacrificial portion, the sacrificial portion including at least a shoulder projecting radially inwardly from one end of said collar portion along a circumferential wall of the collar portion, the shoulder and the circumferential wall defining a corner, and while the cylindrical part is still in a substantially dry green condition, forming a chamfer at said one end of said collar portion on an inside diameter of the collar portion by separating the sacrificial portion from the collar portion.