Litton Cobb Mount Gm-6 For An/pvs 5 Night Vision Goggles Anvis Litton COBB Mount model GM-6 for the AN/PVS-5 Night Vision Goggles. This converts the PVS-5 to an ANVIS style helmet mount. Tags: littoncobbmountgm-6anpvsnightvisiongogglesanvis