MIL-DTL-38999 Series IV Connectors are available in DLA certified / qualified environmental and hermetic class designs. The Series IV offer the industry's most robust mating with a 90 degree quarter-turn breech-lock mate with visual, tactile and audible engagement confirmation. The rugged construction of the D38999 Series IV connector disperses the mating force across a channeled metal flange while threaded mechanical force provides friction, locking the mating halves securely. The Series IV features accessory threads and environmental sealing for reliable attachment of backshells. Widely used in missile applications and other defense and aerospace applications where robust mating and extreme resistance to vibration and shock is required. The full range of contact sizes
