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 6620-01-519-2628
NSN 6685-00-244-4974
NSN 5930-01-463-9623
NSN 5960-00-028-6879
NSN 6130-01-250-4387
NSN 6610-01-133-9812
NSN 5998-01-322-6799
NSN 5895-01-269-3037
NSN 5999-01-068-4445
NSN 6620-01-514-7786
NSN 6110-01-605-2450
NSN 6110-01-429-9304