Used on helicopter, search and rescue, hh-60h; helicopter, uscg search and rescue, hh-60j; helicopter, mh-53e; sturgeon class ssn (637); helicopter, carrier based asw, sh-60f; virginia class cgn (41); los angeles class ssn (688); helicopter, advance attack, ah-1w; support equipment, b-1 aircraft. 3.645" overall length 0.340" overall width weapon system essential