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 5915-01-534-2590
NSN 6610-00-931-3655
NSN 6130-01-144-4746
NSN 5960-01-446-1266
NSN 5895-01-429-8604
NSN 5920-01-227-1877
NSN 5895-01-648-5157
NSN 6685-00-079-1415
NSN 6650-00-287-5868
NSN 5895-00-474-6336
NSN 6620-01-259-5944
NSN 5935-01-473-0878