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 5996-01-253-3486
NSN 6240-01-479-9333
NSN 5925-00-597-1558
NSN 5950-01-098-8478
NSN 6645-00-787-2673
NSN 2925-00-254-9776
NSN 5998-01-559-1646
NSN 7035-01-102-5811
NSN 6645-01-511-3272
NSN 5965-01-040-3500
NSN 5945-01-389-1895
NSN 7035-00-104-7613