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 5910-00-281-2449
NSN 5915-01-469-0572
NSN 5915-01-032-4475
NSN 6320-00-931-4855
NSN 5998-01-315-1519
NSN 5960-01-025-2526
NSN 6220-01-144-5166
NSN 5998-01-435-0916
NSN 6110-01-633-9660
NSN 6610-01-597-2911
NSN 5925-00-006-3539
NSN 5960-01-567-1096