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 6150-00-666-3635
NSN 2925-00-332-1361
NSN 5905-01-650-0029
NSN 6620-01-095-5558
NSN 5996-00-081-0787
NSN 6150-00-021-8051
NSN 5945-01-519-2369
NSN 6130-00-187-0211
NSN 5920-00-468-3074
NSN 5990-01-072-6074
NSN 6150-00-983-8832
NSN 6645-01-217-2888