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 5855-01-491-7849
NSN 6685-01-094-6334
NSN 5835-01-100-3265
NSN 5965-00-064-8209
NSN 6135-01-589-9467
NSN 5925-01-532-8894
NSN 5930-00-925-8246
NSN 5920-00-976-1499
NSN 5999-01-471-2767
NSN 5999-01-123-4090
NSN 6620-01-029-3705
NSN 6685-01-516-0106