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 6105-01-013-2749
NSN 6220-01-370-2547
NSN 6130-01-641-5436
NSN 6220-00-925-2233
NSN 5895-01-650-1776
NSN 6110-01-615-9705
NSN 5920-01-287-3343
NSN 7035-00-104-7613
NSN 6135-00-840-6451
NSN 6620-01-155-6564
NSN 6105-00-957-2849
NSN 5905-00-804-2768