45.0 degrees by 0.047 in deep chamfer on edge of both sides
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 6220-00-494-7228
NSN 6220-00-617-1843
NSN 6110-01-275-8549
NSN 6620-01-623-7266
NSN 6650-00-251-7512
NSN 5950-01-503-3625
NSN 5985-00-474-6163
NSN 7035-01-580-7194
NSN 5999-00-814-1655
NSN 2925-00-033-2536
NSN 5996-00-965-5261
NSN 5935-01-234-9288