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 6610-01-240-9690
NSN 5965-01-101-2187
NSN 5835-01-192-4165
NSN 2925-00-246-3077
NSN 6220-00-306-1806
NSN 5895-00-935-2476
NSN 5905-00-342-3261
NSN 5910-01-554-2308
NSN 6150-00-893-5770
NSN 5835-00-583-1316
NSN 5855-00-411-8688
NSN 6145-00-423-1563