DPXNA (non-environmental, Type IV) and DPXNE (environmental, Types II and III) rack and panel connectors are designed to meet or exceed the requirements of MIL-C-81659, Revision B. DPX NA-NE connectors are available in single through four gang configurations, with a total of 13 contact arrangements accommodating contact sizes 12, 16, 20 and 22, and combination standard and coaxial contacts. Contact retention of these crimp snap-in contacts is provided by the Little Caesar rear release contact retention assembly. Environmental sealing is accomplished by wire sealing grommets and interfacial seals.