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 6610-01-606-0380
NSN 5920-01-389-7348
NSN 4140-00-189-0235
NSN 6645-00-226-2270
NSN 5985-01-245-2066
NSN 6240-00-504-6583
NSN 4140-01-150-3241
NSN 5985-01-327-3601
NSN 6240-01-244-4662
NSN 5950-01-487-7198
NSN 6105-01-196-6377
NSN 5965-01-359-5501