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 5950-00-909-5998
NSN 5975-01-634-0678
NSN 5965-01-105-4194
NSN 5905-00-776-0370
NSN 6110-01-090-0417
NSN 6145-00-551-5288
NSN 5915-01-372-8918
NSN 5855-01-059-2710
NSN 6150-01-660-3779
NSN 6320-01-029-4220
NSN 6220-01-606-6382
NSN 6610-01-444-4001