Military Grade Nexus Replacement Jack TJ-102 In-Line Jack is equipped with Contacts Molded Into a Plastic Body especially configured for Larger Cable Diameter. This includes 4 conductors and is suitable for ruggedized commercial military use with an overall width and height of .828 in and length of 2.312 in. It boasts a contact diameter of .285 in and shell material of plastic. Nickel Plated Beryllium Copper serves as the contact material and adheres to MIL-C-9177 standards. The product incorporates pre-tinned over nickel plating terminals with contact resistance of < .02 O and insulation resistance > 1,000 mO. The dielectric withstanding voltage is M9177/3-1 U-92A/U and insertion force maximum is 13 lb with withdrawal force between 6 to 10 lb.