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 6645-01-609-4753
NSN 5855-00-138-2386
NSN 6645-01-632-1127
NSN 6220-01-269-8391
NSN 5935-01-547-6508
NSN 5945-00-287-8022
NSN 5975-01-076-1831
NSN 7035-01-240-9732
NSN 7035-01-016-0401
NSN 5935-00-469-3543
NSN 5965-01-322-8136
NSN 5935-01-529-9311