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 5999-01-562-3307
NSN 7035-00-763-6180
NSN 5905-00-459-0291
NSN 5910-00-663-5865
NSN 6650-00-299-9681
NSN 5930-01-483-2204
NSN 5996-00-715-3782
NSN 5925-01-116-1794
NSN 5965-00-844-9778
NSN 6105-00-414-8539
NSN 6685-01-634-0611
NSN 6150-00-710-7191