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 6105-01-437-0493
NSN 6320-01-350-5570
NSN 5855-01-599-9542
NSN 6145-01-377-5130
NSN 6240-01-564-6525
NSN 6145-01-579-3397
NSN 2925-01-528-7333
NSN 6645-01-385-7033
NSN 7035-01-158-7673
NSN 5950-01-091-2242
NSN 6105-01-077-6220
NSN 6105-01-510-5312