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 5910-00-991-2709
NSN 5855-00-763-2155
NSN 5999-00-842-1862
NSN 7035-01-378-5074
NSN 6645-00-421-5287
NSN 5990-01-485-0260
NSN 5895-01-143-3851
NSN 5996-00-368-9244
NSN 6110-01-160-9444
NSN 6620-01-535-5495
NSN 6130-00-967-0475
NSN 6320-01-096-6649