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 5930-01-502-6230
NSN 5905-00-492-2935
NSN 2925-01-495-1178
NSN 5915-01-122-9780
NSN 6220-01-421-9928
NSN 5945-01-625-7891
NSN 5930-01-593-6473
NSN 6645-00-033-8714
NSN 5998-00-170-6756
NSN 5895-01-462-4503
NSN 5985-00-528-1902
NSN 5920-00-477-4408