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 6110-00-911-4000
NSN 5975-00-849-2953
NSN 7035-00-235-3529
NSN 5835-01-216-7289
NSN 6645-00-163-9580
NSN 6110-01-394-4163
NSN 5960-01-028-6375
NSN 5998-01-642-3518
NSN 5965-01-529-5311
NSN 7035-01-547-1985
NSN 6130-01-248-9826
NSN 5950-00-844-8086