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 5910-01-224-6159
NSN 5950-01-378-9809
NSN 6110-01-174-3362
NSN 5835-01-121-2098
NSN 5950-01-474-7903
NSN 5945-00-433-1721
NSN 4140-01-580-8573
NSN 5930-00-938-1126
NSN 5835-00-683-4612
NSN 4140-00-678-8443
NSN 2925-01-166-4589
NSN 6620-01-226-4065