Complex sentence: Consequently, further development of a turbo-supercharged A6M was cancelled, and the lack of acceptance by the navy suggests that the prototypes would not have received either model number 41 or 42, although it appears the arsenal did use the designation A6M4.
Split into simpler sentences: Consequently, further development of a turbo-supercharged A6M was cancelled. The lack of acceptance by the navy suggests that the prototypes would not have received either model number 41 or 42, although it appears that the arsenal did use the designation A6M4.