The 10-24 wing nut is used to hold the pump screen in place on drywall loading pumps that have a bolt sticking out the bottom of the foot valve.
10-24 Jam Nut
$1.04
Part #:
SHW-088
Fits:
✓ NorthStar™
✓ TapeTech®
✓ Drywall Master
✓ Columbia
✓ Concorde
Compatible part numbers:
209030