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 5905-01-205-2064
NSN 5945-01-585-3265
NSN 5945-01-123-5506
NSN 6110-01-530-0822
NSN 5925-01-081-0436
NSN 6320-01-503-7180
NSN 5895-01-064-0311
NSN 5990-01-507-7495
NSN 5999-01-139-5826
NSN 5920-01-648-6983
NSN 5965-01-277-4161
NSN 5935-01-524-0563