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 5915-00-862-3151
NSN 7035-00-300-3208
NSN 5935-01-592-3178
NSN 5895-01-193-7192
NSN 6220-01-315-0830
NSN 5915-01-187-1699
NSN 5996-01-035-8219
NSN 5925-01-050-0484
NSN 5999-01-536-0148
NSN 5960-01-316-4382
NSN 5935-01-325-5482
NSN 6620-00-280-2874