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 6610-00-242-3160
NSN 5960-00-781-4084
NSN 6610-01-652-9477
NSN 6685-00-032-7311
NSN 5965-00-653-4782
NSN 6685-00-080-7119
NSN 5996-01-255-0397
NSN 5960-01-096-3464
NSN 6685-01-127-7266
NSN 6110-01-464-3717
NSN 5990-00-250-5205
NSN 5990-01-089-6743