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 5905-01-541-9798
NSN 6620-01-032-3937
NSN 5965-00-840-6542
NSN 5965-01-045-0247
NSN 6320-01-157-9076
NSN 5990-00-093-6794
NSN 5920-01-539-9585
NSN 5930-01-256-3261
NSN 5935-00-982-4817
NSN 2925-00-163-9016
NSN 4140-01-093-8110
NSN 6135-01-495-0933