Repair Kit Check Ball Material Santoprene Compatible with Grainger Part Number 6CCK2 6CCK6 6CCL0 6CCL1 6CCL2 Compatible with Manufacturer Model Number PD10A-AAP-AAA PD10A-ACP-AAA PD10A-ASS-AAA PD10R-ASS-AAA PW10A-AAP-AAA Diaphragm Material Santoprene Number of Check Balls 4 Number of Diaphragms 2 Number of O-Rings 20 Number of Seals 24 Valve Type Ball Product Type Fluid End Repair Kit Media Intake Pressure (Maximum) 120 psi