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 5975-01-329-8499
NSN 6645-00-955-7997
NSN 5905-01-468-9625
NSN 5910-01-109-1864
NSN 6105-01-050-3799
NSN 5855-01-351-8909
NSN 5915-00-278-5561
NSN 5990-00-873-3079
NSN 5996-01-578-6955
NSN 5855-00-107-7993
NSN 5855-00-862-3345
NSN 6685-00-738-2525