Used on kmain feed pumps;air compressors, high pressure;los angeles class ssn (688);systems, jp-5 aviation fuels;sas (starting air sys), ffg-7;sturgeon class ssn (637);fire pumps;virginia class cgn (41);l.p. compressors. 0.380" hole diameter 0.562" outside diameter 0.062" material thickness 15 recessed