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 6240-01-010-2991
NSN 5925-00-943-4489
NSN 5975-01-296-3039
NSN 5930-01-545-8854
NSN 6145-00-122-9517
NSN 6610-00-115-7716
NSN 6110-00-189-8871
NSN 6150-00-705-5193
NSN 6240-01-463-8276
NSN 5998-01-062-2281
NSN 6610-01-499-0776
NSN 5935-01-610-0448