Periscope.
An optical instrument designed to displace the line of sight in a vertical plane when eye level vision may not be practical or possible, as in intrenchments, tanks, submarines, and the like. the raised line of vision is obtained by the use of mirrors or prisms within the item, permitting a line of vision on a plane other than that of the observer. it may have a single or dual optical system(s).
Glass, optical, mil-g-174, class 1, grade c, type 523-586 material, glass, optical, mil-g-174, class 1, grade c, type 523-586 iii material
2.300 inches diameter, 0.125 inches thickness, ground surface finish, glass, optical, mil-g-174, grade d, type 517-645 material
Radar set group application design, 23.938 inches body length, 17.938 inches body width, eight washers, eight eyelets, four on each side mounting configuration
Radar set group application design, 23.938 inches body length, 17.938 inches body width, eight washers, eight eyelets, four on each side mounting configuration
Radar set group application design, 23.938 inches body length, 17.938 inches body width, eight washers, eight eyelets, four on each side mounting configuration
NSN 5820-01-407-6162
NSN 6675-01-212-5560
NSN 5826-01-232-7786
NSN 7520-01-207-4185
NSN 6110-01-305-5316
NSN 5975-01-478-9055
NSN 5826-01-590-6695
NSN 7021-01-610-5037
NSN 6110-01-369-0882
NSN 7021-01-377-0057
NSN 7050-00-546-2564
NSN 5826-00-511-0153
Last modified 05/03/2024