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 5905-01-431-6863
NSN 6685-00-663-9000
NSN 4140-01-093-1455
NSN 5996-01-135-9006
NSN 5925-01-317-3869
NSN 5910-00-862-0145
NSN 6320-01-452-2394
NSN 5999-01-179-5773
NSN 5915-00-726-6218
NSN 5930-01-290-4786
NSN 2925-01-264-1699
NSN 5965-01-209-2411