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 6650-00-349-8732
NSN 5965-01-603-7959
NSN 6620-01-201-1327
NSN 6145-01-654-1377
NSN 6145-01-196-0496
NSN 6240-01-064-9727
NSN 6685-01-162-5075
NSN 5835-00-140-0727
NSN 5925-01-511-0220
NSN 5925-01-521-0242
NSN 5945-01-396-3299
NSN 6240-01-258-5829