Used on helicopter, mh-53e; milstar system; helicopter, advance attack, ah-1w; an/usm-410, electronic quality assurance test equip (equate); virginia class cgn (41); sturgeon class ssn (637); ticonderoga class cg (47); spruance class dd (963); airborne mobile dir air spt ctl (21d);, (02m jul 83) (an/uyq-3a); los angeles class ssn (688). 1.196" overall length 1.578" overall width weapon system essential