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 6610-01-090-5908
NSN 5835-01-186-4961
NSN 5945-00-257-9128
NSN 5920-00-417-4624
NSN 2925-01-183-2897
NSN 6145-01-588-1418
NSN 5925-01-203-3233
NSN 5915-00-003-5339
NSN 5975-01-458-6370
NSN 6135-00-809-2148
NSN 6150-00-947-0053
NSN 6220-01-554-5913