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 6240-01-247-6212
NSN 6320-01-511-1526
NSN 5960-00-047-3944
NSN 6220-01-207-0523
NSN 6110-01-422-3783
NSN 5945-01-332-3274
NSN 7035-00-093-5840
NSN 2925-01-268-5464
NSN 5950-01-154-8751
NSN 5999-01-363-3155
NSN 6685-01-420-8586
NSN 6145-01-097-5948