Part Number: 1053438 (Phoenix contact) Part Number: 1053438-1 (Conn) Part Number: 10534391 (Ne) Part Number: 105-344 (Pin housing 4 way male square fl) Part Number: 105344-1 (Spring ecp20701) Part Number: 105344-2 (Spring ecp20701) Part Number: 105344-3 (Spring ecp20701) Part Number: 10534431 (Component) Part Number: 105344-4 (Spring) Part Number: 105344-5 (Spring) Part Number: 105344532 (Pin,tapered) Part Number: 1053445-82 (Pin) Part Number: 105-344P256213 (Vishay) Part Number: 105-344P261911 (Vishay)