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 6240-00-204-0459
NSN 6610-01-444-0573
NSN 6145-00-126-1606
NSN 5998-01-459-4683
NSN 6240-00-383-7668
NSN 5945-01-528-1776
NSN 5999-00-391-2393
NSN 6240-01-334-1115
NSN 6620-01-054-9346
NSN 6145-00-224-5245
NSN 2925-01-073-8223
NSN 5990-01-336-3976