Brand new wired housing for Litton or L3 AN/PVS-7A or AN/PVS-7C Night Vision goggle. Replace your worn out or malfunctioning devices housing with a brand new main wired housing. Contains new power functions switch, purge valve screw and flex wire harness so all you have to do is remove and reinstall your old collimator, image tube, objective lens and back plate/eyepieces into this housing to have a like new PVS-7A/C again.