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 6105-01-085-6002
NSN 5965-00-617-5731
NSN 2925-01-320-6512
NSN 6110-00-256-3150
NSN 7035-01-357-3726
NSN 5999-01-619-4340
NSN 5985-00-217-1624
NSN 5965-01-426-8325
NSN 5925-01-323-5354
NSN 5910-01-393-8813
NSN 6145-00-966-1048
NSN 2925-01-540-7389