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 5945-00-415-2284
NSN 6610-01-522-5751
NSN 5920-00-229-5236
NSN 6220-00-960-0778
NSN 5998-00-830-2587
NSN 5960-01-103-0906
NSN 2925-00-350-0348
NSN 5950-01-237-8277
NSN 6150-00-058-8669
NSN 6135-01-466-0192
NSN 5965-00-739-2063
NSN 6150-00-556-5543