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 5996-01-028-7884
NSN 5895-01-390-5411
NSN 6150-01-010-3400
NSN 6110-00-437-6585
NSN 5975-00-079-0022
NSN 5960-01-251-5995
NSN 6220-00-215-6358
NSN 5910-01-529-7205
NSN 5998-01-057-0629
NSN 4140-01-088-6624
NSN 5998-01-378-7311
NSN 2925-01-303-5266