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 5996-01-500-1830
NSN 6130-01-132-0195
NSN 5835-00-378-1429
NSN 6320-00-731-6134
NSN 5975-00-587-4871
NSN 5835-00-841-2650
NSN 5920-01-621-4185
NSN 6110-00-269-2696
NSN 5990-01-004-6343
NSN 4140-00-347-6807
NSN 5985-01-481-0358
NSN 5990-01-411-5930