M374

Submarine periscope

M374 Description

M374/M374A submarine periscope system end item identification.

Properties of M374

End Application:
M374/m374a submarine periscope system
NSN:
1240-01-487-0870
Description:
Periscope,submarine
Cage Code:
34228

Definition Submarine 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).

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Last modified 04/29/2024