9-16938 for Craftsman Ridgid Shop Wet/Dry Vac Filter Plate Nut (Pre 2010) 73316 .For use with all pre-2010 RIDGID wet/dry vacuums.
73316,83872 Filter nut, The item is used for Hardware, Fasteners & Hooks. This item easy to use.
Fit models :
4 Gallon Portable Wet/Dry Vac models - WD40500, WD40502, WD40700, WD4071, VAC4000 & VAC4010;
11 Gallon Smart Cart Wet/Dry Vac Models - VAC11000 & WD70000;
18V Cordless Wet/Dry Vac Models - WD24500, WD03180 & WD0319;
16 Gallon Wet/Dry Vac with Detachable Blower Models - WD16300, WD16350, WD1635AC, WD1635RG, WD1635SD, WD1630, WD1637, WD16500, WD1665BG, WD1665BK, WD1665ST, WD16600, WD16650, WD16700 & WD16800;
16 Gallon Contractor Wet/Dry Vac Models - WD17300, WD17350 & WD17351;
16 Gallon Stainless Steel Wet/Dry Vac With Cart Models - WD19500 & WD19560;
16 Gallon Wet/Dry Vac With Cart Models - WD18500;
20 Gallon Wet/Dry Vac Model - WD20620