Part Number: 1311WK20 (Bearing) Part Number: 1311WKH (Bearing) Part Number: 1311X1 (Bearing) Part Number: 1311X2 (Bearing) Part Number: 1311Y (Bearing) Part Number: 1311YA (Bearing) Part Number: 1311YASWPINHOLE (Bearing) Part Number: 1311YS (Bearing) Part Number: 1311Z (Bearing) Part Number: 13120 (Valve,solenoid ) Part Number: 131-200 (Rail,aircraft s ) Part Number: 13-12000 (Aircraft detail design manual) Part Number: 13120000 (No description) Part Number: 1312000000 (Weidmuller)