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 5935-01-088-7969
NSN 5930-00-615-5148
NSN 7035-00-437-7950
NSN 6220-00-419-6152
NSN 4140-00-869-1435
NSN 4140-01-461-2350
NSN 5996-01-568-3701
NSN 6130-01-207-0755
NSN 6320-01-399-6177
NSN 5915-00-359-7776
NSN 5915-00-597-2369
NSN 5915-01-528-9519