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 5990-01-217-4590
NSN 6650-00-861-6208
NSN 7035-01-645-6242
NSN 5925-01-442-8589
NSN 6620-01-534-2370
NSN 6145-01-272-9153
NSN 5965-00-123-1727
NSN 5965-01-515-2009
NSN 5935-01-075-8773
NSN 6130-01-527-5984
NSN 5895-01-202-8097
NSN 6105-00-405-2343