Used on l.p.compessors, mars class t-afs 1, forrestal class cv, oliver perry class ffg, whidbey island class lsd, iwo jima class lph, blue ridge class lcc-19, wichita class aor, cimmaron class ao.. weapon system essential
Used on fsubmarine auxillary and miscellaneous systems. los angeles class ddn (688), sturgeon class ssn (637), trident hull structure, submarine engineering and diesel systems, ohio class ssn (trident) ship.. weapon system essential
