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 5925-01-563-2749
NSN 5985-00-275-2830
NSN 6110-01-084-8217
NSN 6240-01-197-6064
NSN 5998-00-415-0337
NSN 6110-01-091-3797
NSN 6150-01-159-7657
NSN 5996-00-186-8709
NSN 5990-01-474-3477
NSN 6135-01-090-5365
NSN 6110-01-446-5968
NSN 6145-00-451-1090