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 5965-01-503-0699
NSN 5999-01-428-1662
NSN 5945-01-114-7022
NSN 5895-00-155-4578
NSN 6130-00-291-4877
NSN 6105-01-100-0123
NSN 5930-01-342-3941
NSN 6645-01-462-2101
NSN 6650-01-397-6325
NSN 5965-00-117-4214
NSN 6145-01-121-4371
NSN 5920-01-290-0677