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 6150-01-378-7813
NSN 6240-01-113-6412
NSN 5960-00-497-9862
NSN 6150-01-512-3969
NSN 6220-01-519-9305
NSN 5996-01-531-6491
NSN 5915-01-482-5502
NSN 5905-00-715-1553
NSN 6130-00-295-2758
NSN 5915-01-615-1675
NSN 5910-00-075-3501
NSN 6650-01-276-9723