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 5965-00-170-5254
NSN 5950-01-383-6545
NSN 5905-01-366-7865
NSN 6135-00-539-8088
NSN 6145-00-544-1253
NSN 5990-01-089-6743
NSN 6135-00-934-9550
NSN 6240-01-061-7359
NSN 6145-00-466-4068
NSN 5915-01-030-9382
NSN 5915-00-056-1350
NSN 5996-00-264-8929