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 6130-01-536-5977
NSN 5925-01-411-9736
NSN 6650-01-472-3955
NSN 5915-01-549-6634
NSN 5855-01-088-8700
NSN 6105-00-828-7795
NSN 6220-01-422-3602
NSN 6645-01-037-7725
NSN 6135-01-090-5365
NSN 5925-00-089-9928
NSN 6610-01-548-7604
NSN 6645-01-308-5729