1st and 2nd corner radii 1.890 in., remaining corners sq
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 5910-00-245-0940
NSN 5855-01-428-9456
NSN 6610-00-827-8959
NSN 5930-01-353-6351
NSN 6110-00-166-7865
NSN 6620-01-391-9829
NSN 6110-01-029-3403
NSN 6320-00-701-0437
NSN 6150-01-533-3665
NSN 5990-01-013-8464
NSN 6320-00-882-7061
NSN 6150-01-543-8574