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 5990-01-017-8574
NSN 6320-01-504-3948
NSN 5990-01-240-7288
NSN 5996-01-032-5926
NSN 5965-00-653-4782
NSN 5835-00-196-9771
NSN 5925-01-535-4409
NSN 6650-01-062-3611
NSN 6685-01-415-8533
NSN 5930-00-062-0223
NSN 5910-00-818-0389
NSN 6150-00-616-1541