Buffed finish
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 6150-00-235-6293
NSN 7035-00-849-5526
NSN 5905-00-185-1828
NSN 4140-01-311-4769
NSN 5915-01-220-2979
NSN 6620-01-551-7071
NSN 6105-00-753-8756
NSN 5930-01-306-7019
NSN 5990-00-818-7136
NSN 6685-00-927-6280
NSN 6685-01-498-9983
NSN 5960-01-334-5146