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 6645-01-057-7987
NSN 5996-00-479-3046
NSN 5990-01-617-5156
NSN 6685-01-102-5259
NSN 6240-01-354-1692
NSN 5999-01-515-5383
NSN 6110-01-418-0802
NSN 5996-01-153-2359
NSN 6150-00-134-4833
NSN 5910-01-210-1665
NSN 5915-01-608-4816
NSN 6220-00-709-8992