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 6685-01-585-6794
NSN 5910-00-422-2209
NSN 6130-01-231-7805
NSN 6145-01-631-5882
NSN 6145-00-689-4215
NSN 5996-01-005-1440
NSN 5960-01-444-2205
NSN 6620-01-397-4131
NSN 5990-00-891-8817
NSN 5835-01-363-4527
NSN 5975-00-132-6694
NSN 6240-01-259-2090