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 6685-00-817-5694
NSN 5998-01-243-0420
NSN 5920-01-146-9154
NSN 5895-01-333-6837
NSN 5930-01-287-8544
NSN 5999-01-629-2490
NSN 5998-00-237-3373
NSN 7035-01-452-1328
NSN 6240-00-185-8367
NSN 5925-01-629-5314
NSN 6145-01-535-1026
NSN 6610-00-756-5120