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 2925-01-360-3575
NSN 6220-00-077-3162
NSN 7035-01-143-3573
NSN 7035-01-227-2546
NSN 5965-01-393-5833
NSN 6650-00-256-9059
NSN 5990-01-483-7313
NSN 6685-00-227-0212
NSN 5920-01-113-0559
NSN 7035-01-497-6875
NSN 2925-00-829-5124
NSN 6130-00-740-3884