Used on kidd class ddg, virginia class cgn (41), ticonderoga class cg (47), spruance class dd (963); nimitz class cvn, sturgeon class ssn (637), los angeles class ssn (688), forrestal class cv; radar set, lightweight 3d (an/tps-59); an/uyk-7(v) sonar/fire control tactical computer. 32 thread quantity per inch flexible insulator at terminal end uns thread series