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 5910-01-440-9558
NSN 4140-01-043-5089
NSN 6620-01-446-6571
NSN 5905-01-044-6469
NSN 5950-00-657-4769
NSN 5998-01-385-6775
NSN 5910-01-009-1935
NSN 6320-01-089-9086
NSN 6240-00-239-8295
NSN 5925-00-025-1339
NSN 6610-00-119-1591
NSN 6685-01-510-3339