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 6685-01-533-5783
NSN 6110-00-166-5039
NSN 6685-00-463-7519
NSN 5930-01-414-4633
NSN 5998-01-383-1912
NSN 5990-00-285-1948
NSN 6650-01-596-8627
NSN 6220-01-238-9194
NSN 5915-00-312-8011
NSN 4140-00-379-4748
NSN 5975-01-009-0601
NSN 5910-00-548-6505