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 4140-00-152-7092
NSN 7035-00-991-6877
NSN 5895-01-127-3592
NSN 4140-00-128-8072
NSN 5998-00-079-3553
NSN 5985-01-534-9844
NSN 5996-01-467-1592
NSN 5945-01-344-2435
NSN 6150-00-167-1018
NSN 5996-01-419-5756
NSN 5930-01-494-9542
NSN 5855-01-529-1977