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 2925-00-060-8292
NSN 5915-00-961-5992
NSN 5960-01-193-5224
NSN 5990-01-022-6592
NSN 5998-00-914-5251
NSN 6105-01-191-2015
NSN 5905-01-081-6087
NSN 6650-01-249-3201
NSN 6105-01-045-7917
NSN 5835-00-764-4388
NSN 6685-00-509-8457
NSN 5975-00-444-4746