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 6685-01-236-6698
NSN 6110-01-203-0572
NSN 4140-01-168-7685
NSN 5905-00-081-2221
NSN 6620-01-201-9295
NSN 5895-01-227-7060
NSN 5998-00-281-5973
NSN 6220-01-322-8450
NSN 6135-00-935-8769
NSN 5998-01-067-9065
NSN 5910-01-487-6757
NSN 5905-00-787-9982