45.0 degrees by 0.047 in deep chamfer on edge of both sides
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 2925-00-246-3077
NSN 6685-01-634-0611
NSN 6145-00-079-7378
NSN 5999-01-036-8387
NSN 5855-01-382-5169
NSN 5925-01-647-1651
NSN 6220-01-652-0257
NSN 5895-01-440-9210
NSN 5999-01-505-8946
NSN 5960-01-552-0862
NSN 6110-01-352-6438
NSN 5925-01-447-9767