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 5910-01-171-0360
NSN 7035-00-163-6221
NSN 5960-00-008-5284
NSN 5910-01-424-8457
NSN 6220-00-735-4815
NSN 6610-01-400-3880
NSN 5950-01-030-6757
NSN 6645-01-212-9474
NSN 6135-00-500-2082
NSN 6610-01-072-7922
NSN 5996-00-888-1180
NSN 5925-00-946-9423