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 6150-01-426-5545
NSN 6150-01-165-8967
NSN 5990-00-789-1333
NSN 5925-01-655-7992
NSN 5960-00-051-6159
NSN 5985-00-723-6740
NSN 5895-00-239-9138
NSN 5930-01-584-5400
NSN 6110-01-256-7693
NSN 7035-00-624-7265
NSN 6135-01-333-6737
NSN 5996-00-388-6552