A rectangular or cylindrical periscope, usually positioned in a holder, or mount within an armored vehicle. It is used to observe terrain, near and distant targets, and the like. It may also be linked to gun-training mechanisms for integration of movement for fire control purposes.
Classification: Military equipments not identified by kind
NSN 7035-01-191-2822
NSN 6145-01-315-3878
NSN 5996-01-054-4954
NSN 5985-00-342-0860
NSN 6645-01-353-6863
NSN 5855-01-222-6065
NSN 5990-01-434-7913
NSN 5950-01-603-0101
NSN 7035-01-580-0871
NSN 6105-00-951-7776
NSN 6145-01-563-7112
NSN 6610-01-519-3006