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 6135-01-142-2417
NSN 5975-00-288-5877
NSN 5915-00-135-0770
NSN 6105-01-410-8223
NSN 5985-01-098-0365
NSN 5990-00-484-3189
NSN 6620-01-526-1478
NSN 5996-00-084-8940
NSN 5910-00-059-1312
NSN 6105-00-021-5777
NSN 5960-01-094-5958
NSN 5835-01-535-0948