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 5855-00-987-1171
NSN 6150-00-157-5988
NSN 6145-01-059-2687
NSN 5975-01-367-4789
NSN 5960-01-278-9394
NSN 5905-01-201-1988
NSN 5920-01-574-1689
NSN 6685-01-078-3144
NSN 5920-01-366-3537
NSN 5965-00-524-5520
NSN 5998-00-797-3612
NSN 5945-01-386-4660