A filter designed to be used with a searchlight.
NSN 6620-00-726-8153
NSN 5999-00-399-1215
NSN 5855-01-658-6119
NSN 6610-01-376-9199
NSN 5998-01-624-2964
NSN 5910-01-495-1924
NSN 2925-01-302-3098
NSN 5998-00-147-3205
NSN 5945-01-485-3959
NSN 4140-00-660-8699
NSN 6145-00-147-3499
NSN 6620-01-408-0825