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 5999-01-165-4611
NSN 6145-01-217-5295
NSN 5930-00-133-4033
NSN 5895-01-160-6599
NSN 6110-00-035-4840
NSN 5895-01-360-7667
NSN 5990-00-959-8280
NSN 5855-01-114-3513
NSN 2925-01-226-6126
NSN 6610-00-558-0480
NSN 5895-01-312-6854
NSN 5935-00-273-3861