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 5950-00-853-9086
NSN 5965-00-265-7861
NSN 6145-01-505-5614
NSN 6320-00-450-7014
NSN 6645-01-530-9134
NSN 5960-00-215-5884
NSN 5835-00-838-0707
NSN 6685-00-180-0349
NSN 7035-01-319-2315
NSN 2925-01-266-5229
NSN 6130-01-024-9391
NSN 6240-01-442-7746