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 5960-01-449-1310
NSN 7035-01-580-2652
NSN 6110-00-012-5514
NSN 6620-00-153-0982
NSN 2925-01-628-5296
NSN 6650-00-842-5463
NSN 2925-01-299-6967
NSN 6685-01-281-8860
NSN 5835-01-407-5260
NSN 6620-01-309-1287
NSN 6240-01-116-3382
NSN 5960-01-325-2241