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 2925-00-149-0760
NSN 5998-01-076-4729
NSN 5945-01-024-4422
NSN 5965-01-606-8246
NSN 6220-01-448-9477
NSN 5935-01-442-7638
NSN 6110-00-890-0777
NSN 5915-01-227-9926
NSN 5835-01-303-6563
NSN 4140-00-703-0738
NSN 4140-01-308-9649
NSN 6320-01-532-6746