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 5905-01-491-9012
NSN 6320-01-176-8367
NSN 5945-00-359-6889
NSN 6220-01-034-1231
NSN 6135-00-904-6780
NSN 6150-01-140-7659
NSN 5935-00-544-4810
NSN 5930-01-520-7677
NSN 5935-01-065-1237
NSN 5965-01-470-0393
NSN 5905-01-194-5262
NSN 5960-00-783-6027