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 5910-00-452-0436
NSN 5996-01-266-2283
NSN 6645-00-102-0015
NSN 6650-01-471-6252
NSN 5996-00-657-7888
NSN 5950-00-209-9832
NSN 5965-01-563-7759
NSN 5895-01-200-5093
NSN 6645-00-134-9358
NSN 5925-01-606-3762
NSN 6145-00-663-6133
NSN 6240-01-214-7746