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 6645-00-262-7448
NSN 6110-00-071-8351
NSN 5945-01-065-0887
NSN 5960-00-148-4493
NSN 5905-01-487-3278
NSN 6130-01-617-2173
NSN 6145-01-275-3550
NSN 6240-00-643-4532
NSN 5930-01-309-6851
NSN 5925-00-071-7689
NSN 6685-01-295-2383
NSN 5998-01-312-2186