EK3004-000 is a receptacle protection cap from the 100P160 series designed for use with MIL-DTL-38999 Series III connectors. The cap features various attachment options including eyelet, ring, crimp ferrule, and tie-wrap configurations, with optional lanyard types such as nylon-covered or Teflon-covered stainless steel wire rope. It is available in multiple shell sizes ranging from 09 to 25, with corresponding thread specifications and maximum diameters. The cap offers silicone or fluorosilicone gasket options and multiple plating finishes including cadmium, electroless nickel, and zinc nickel. These protection caps are commonly used in aerospace and military applications to protect connector receptacles from environmental contamination and damage.