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 6645-01-338-9152
NSN 6650-01-364-8504
NSN 5996-00-478-4075
NSN 5960-01-599-9821
NSN 5960-00-289-6591
NSN 6240-01-617-8254
NSN 7035-01-331-5614
NSN 5998-01-157-4696
NSN 6130-01-188-7411
NSN 5999-00-925-2502
NSN 6685-01-183-9095
NSN 2925-01-027-1293