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 4140-01-160-7391
NSN 6145-00-683-1169
NSN 5985-01-167-3920
NSN 6650-01-224-7923
NSN 5920-00-180-4278
NSN 5895-01-555-7250
NSN 6130-01-119-5588
NSN 6105-00-588-7513
NSN 6145-00-081-3993
NSN 6650-01-223-3113
NSN 5996-01-386-4230
NSN 5999-00-266-3805