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 6150-01-069-2794
NSN 6620-00-394-1812
NSN 5935-01-411-7515
NSN 5895-01-450-0193
NSN 5835-01-117-6124
NSN 5905-00-021-9500
NSN 5985-00-925-0103
NSN 5975-01-085-7384
NSN 5996-00-575-6241
NSN 6150-01-512-8219
NSN 6620-01-551-7922
NSN 5920-00-140-8912