Corners slightly rounded
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 7035-00-529-3128
NSN 6110-01-157-8253
NSN 6650-01-431-8933
NSN 5835-01-160-7282
NSN 5925-01-345-1422
NSN 5920-00-359-9771
NSN 6620-00-079-0311
NSN 5950-01-102-4088
NSN 5925-00-105-6644
NSN 6110-00-107-1664
NSN 6105-00-199-8652
NSN 6145-00-811-8376