The DP Series cap/plug is designed to dissipate Electrostatic charges, and provide mechanical protection and electrical shielding For Itt Cannon Style Connectors. commonly used in aerospace and military applications. This product has been fabricated from a conductive material that: surface resistivity of less than 1 x 10 5 ohms/square in accordance with ASTM Test method d-257-78. Meets the static decay requirements of mil-prf-81705e, Type II and Federal Test method standard no. 101, method 4046.:: a: 1.430, b:.780, C:.40, D: 1.09.