Got a few more items in need of some IDing!
74 Silverhawks May-Day
75 Big Trak 1970's Milton Bradley top part
77 side gun from vintage 1984 Marvel Superhero Secret Wars Doom Roller
78 G1 Grapple/Inferno gun
79 Trident is for a Super Powers Aquaman
81 Playmobil bullhorn available in sets from the 70s-90s
83 Shield Insert is for a Secret Wars Spider-Man (Red)