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 5960-01-437-5318
NSN 5950-01-399-8700
NSN 5975-00-299-1202
NSN 6135-01-573-7164
NSN 5835-01-106-1456
NSN 6130-01-493-2291
NSN 6130-00-801-5359
NSN 6650-00-597-7313
NSN 5910-00-816-1661
NSN 5965-01-470-8807
NSN 6145-01-335-0088
NSN 5996-01-609-0779