Applied Avionics, Inc. is the manufacturer of VIVISUN® LED Illuminated Pushbutton Switches. The company specializes in MIL-SPEC quality switches for use in avionics, shipboard and military applications. Except as noted, all parts described in this Technical Specification Guide comply with MIL-PRF 22885/108 and /113, as well as meeting the entire set of DO-160 test requirements.