MS3102E18-10P is a MIL-DTL-5015 type box mounting receptacle designed for environmental resisting applications. This connector features a shell size 18 with an 18-10 insert arrangement containing 4 size 12 pin contacts with service rating A. The receptacle has a thread class 2A with 1.1250-18UNEF threading, a B dimension of 0.719 inches, J max of 1.242 inches, L max of 2.596 inches, Q max of 1.333 inches, and Z dimension of 0.857 ±0.045 inches. The minimum cable clearance (XX) is 0.531 inches. This connector is commonly used in industrial, military, and aerospace applications where reliable environmental sealing and robust electrical connections are required.