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 5831-01-498-9572
NSN 6940-00-202-4056
NSN 5841-00-994-6659
NSN 6760-01-039-0535
NSN 5820-01-567-7463
NSN 5815-01-499-1246
NSN 5810-00-646-6297
NSN 7050-00-003-6627
NSN 5826-01-099-6404
NSN 5826-00-081-8325
NSN 5826-00-726-1751
NSN 7520-01-298-5551
Last modified 05/17/2024