1.187 in. By 0.281 in. Cut out on top edge
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 5996-01-212-9866
NSN 6240-01-116-1275
NSN 6610-01-343-2609
NSN 5925-01-426-6923
NSN 6610-01-198-3862
NSN 5945-01-088-2496
NSN 5910-01-258-3374
NSN 6220-01-073-9518
NSN 6130-01-004-8977
NSN 5960-01-256-6956
NSN 6240-01-289-9898
NSN 5950-00-295-3034