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 5930-01-535-1282
NSN 4140-00-580-0716
NSN 5999-00-683-6660
NSN 5996-01-280-9922
NSN 5960-01-279-0985
NSN 5895-01-645-2349
NSN 5996-00-067-3326
NSN 4140-00-906-1130
NSN 5910-01-044-3984
NSN 6240-01-423-0605
NSN 6220-00-728-4559
NSN 5905-01-391-1235