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 5998-00-691-6070
NSN 6220-00-962-3226
NSN 6240-01-381-2275
NSN 6150-00-990-6233
NSN 5975-00-060-0314
NSN 5998-00-476-7956
NSN 6610-01-593-4643
NSN 6610-00-943-3136
NSN 6150-00-613-3076
NSN 5925-00-351-6296
NSN 5930-00-033-3496
NSN 6135-01-500-0572