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 5905-01-031-0925
NSN 5935-01-537-6033
NSN 5975-01-069-3236
NSN 6110-00-423-5836
NSN 6610-01-007-5997
NSN 5945-00-398-1072
NSN 6220-01-565-3212
NSN 6650-00-876-0152
NSN 7035-00-411-8850
NSN 5855-01-388-1970
NSN 5990-00-197-0159
NSN 6105-01-461-1609