Imperial Wing Nut #6-32, #8-32, #10-32, 1/4-20 NC, 3/8-16 NC - Heavy Duty

Wing nut 6-32, 8-32, 10-32 (also fit 10-24), 1/4-20 NC, 3/8-16 NC.
Heavy Duty design. You can put a lot of torque without breaking the wings.
Insert a jam nut using a vice (press fit).
Once fully inserted, nut will stay in place (two small raised dot prevent nut to come out).

Nut dimensions

6-32 - 0.114'' thick x 5/16'' across flat
8-32 - 0.130'' thick x 11/32'' across flat
10-32 - 0.130'' thick x 3/8'' across flat
1/4-20 - 0.155'' thick by 7/16'' across flat
3/8-16 - 0.230'' thick by 9/16'' across flat