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 5855-00-256-5562
NSN 6620-01-279-0651
NSN 5985-00-803-4562
NSN 6135-01-532-7951
NSN 2925-01-143-0092
NSN 6220-01-494-9356
NSN 6130-00-390-9718
NSN 5905-01-634-0595
NSN 6130-00-845-1841
NSN 6135-01-275-1363
NSN 5998-01-578-6470
NSN 5930-00-649-9368