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 5965-01-107-8549
NSN 7035-01-661-1182
NSN 5998-01-487-6071
NSN 2925-00-925-0545
NSN 2925-01-518-9038
NSN 6135-01-190-2628
NSN 6685-01-433-7951
NSN 5985-00-964-7929
NSN 5985-00-648-2081
NSN 5920-01-387-3903
NSN 7035-01-026-1171
NSN 5835-01-459-7428