Surface coated with reflection-reducing film
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 5975-00-225-8722
NSN 6685-00-607-1884
NSN 5999-01-347-5028
NSN 6220-00-606-6119
NSN 5905-01-013-8589
NSN 6645-01-367-2581
NSN 5998-00-006-4295
NSN 5935-00-118-4011
NSN 7035-00-546-2560
NSN 5935-01-029-2760
NSN 7035-01-211-5636
NSN 6320-01-116-3980