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 6145-00-470-8255
NSN 2925-01-590-8691
NSN 6130-00-938-3740
NSN 6135-00-593-6831
NSN 6105-00-299-6373
NSN 5925-01-459-7882
NSN 5895-01-207-0753
NSN 5835-01-133-6485
NSN 5960-01-445-3622
NSN 6685-01-640-7240
NSN 6145-00-197-9010
NSN 5945-01-069-1327