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 5960-01-325-2241
NSN 5990-01-299-2014
NSN 5930-01-104-5295
NSN 5920-01-089-7903
NSN 6685-00-707-4842
NSN 5835-00-902-8680
NSN 6645-01-601-5473
NSN 6685-01-042-3529
NSN 5945-01-378-7268
NSN
NSN 5895-00-814-2248
NSN 5905-00-809-3617