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 5905-01-241-7184
NSN 5975-01-376-5355
NSN 6150-01-608-6419
NSN 5998-00-989-2735
NSN 5835-00-785-0486
NSN 7035-00-922-5700
NSN 5998-01-528-0365
NSN 5915-01-480-6347
NSN 5895-00-721-4032
NSN 5996-00-342-9246
NSN 4140-01-628-5495
NSN 7035-00-849-5526