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 6150-00-307-2652
NSN 5975-01-199-2748
NSN 5935-01-443-2215
NSN 5905-00-559-8172
NSN 6610-00-691-1207
NSN 6620-01-313-8164
NSN 5960-00-021-5618
NSN 2925-01-187-5480
NSN 5910-00-526-8005
NSN 6645-01-353-4356
NSN 5895-00-937-9626
NSN 5835-01-604-7489