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 6145-00-602-2253
NSN 5855-01-565-0880
NSN 6320-00-225-7013
NSN 6105-00-578-0973
NSN 6130-01-546-4602
NSN 6685-00-088-4539
NSN 5985-01-029-3648
NSN 5925-00-152-9399
NSN 5855-00-058-1293
NSN 5930-01-556-7138
NSN 6130-01-382-4447
NSN 6130-01-586-6805