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 5905-00-470-8269
NSN 5935-01-109-4162
NSN 7035-01-174-1029
NSN 5996-01-660-9986
NSN 6620-01-535-6925
NSN 5945-01-350-3582
NSN 6105-01-485-4680
NSN 6105-01-490-5073
NSN 5996-01-080-7943
NSN 5960-01-106-3086
NSN 6685-01-029-4536
NSN 5965-01-606-1784