F3H-2N/M, improved F3H-2 version. flown on January 11, 1955, instead a Allison J71 A-2 engine ,fitted An APG-51 radar , increased the 20mm cannon to four. entered squadron service in March 1956 with VF-14. F3H-2Ms was flown on August 23, 1955,used four Sperry Sparrow I (AAM-N-2) ,Redesignated F-3C in 1962.
F3H American Navy fighter jet emotion-there is a variation of 2.
M type were produced approximately 80 aircraft.