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 5925-01-534-3382
NSN 5950-00-952-3197
NSN 5905-01-145-7337
NSN 5835-01-449-7511
NSN 5990-01-658-9964
NSN 6645-00-173-2800
NSN 2925-00-983-7521
NSN 5905-01-062-0424
NSN 6130-01-153-2265
NSN 5835-00-247-0161
NSN 6645-01-196-6277
NSN 5945-01-332-9943