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 5935-00-433-4054
NSN 5996-00-770-1863
NSN 6240-01-580-6276
NSN 5925-00-068-8880
NSN 4140-01-535-6477
NSN 5975-00-811-3444
NSN 6220-01-468-8897
NSN 6105-01-332-2960
NSN 5985-01-598-6122
NSN 6645-00-454-0930
NSN 6135-01-260-7180
NSN 5998-00-017-9110