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 6610-01-232-4802
NSN 5990-01-584-8363
NSN 5990-01-034-8211
NSN 5945-01-142-3321
NSN 6130-00-106-3557
NSN 5855-01-656-6808
NSN 6685-01-455-8172
NSN 5930-01-123-8758
NSN 5965-00-050-3590
NSN 5835-01-303-6563
NSN 5965-01-178-2367
NSN 6130-01-237-4710