Home / Appliance / Parts / Pump Screw, #8-32 x 1/2-in U30-539SS Pump Screw, #8-32 x 1/2-in U30-539SS$11.96 Price may not be up-to-date. In Stock View Product Part Number: U30-539SS Brand: STA-RITE INDUSTRIES Seller: Sears PartsDirect Categories: Appliance, Parts 60-day return policy Description This screw (part number U30-539SS) is for pumps. Follow appropriate safety practices when installing screw U30-539SS.