A telescope whose line of vision is 180 degrees from the eye.
Classification: Military equipments not identified by kind
NSN 7035-00-529-3128
NSN 5975-00-119-9182
NSN 4140-01-565-2436
NSN 5930-01-347-1936
NSN 5945-01-387-7949
NSN 5910-00-905-7477
NSN 5905-01-424-3837
NSN 5996-00-871-8554
NSN 5960-01-237-8995
NSN 5999-01-374-6031
NSN 6105-01-237-2507
NSN 5915-01-441-7857