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 5915-00-070-8692
NSN 6135-01-560-8130
NSN 5990-01-393-4808
NSN 5950-00-161-0635
NSN 6685-00-442-2779
NSN 5950-01-114-4185
NSN 5855-01-234-5346
NSN 6650-00-690-8709
NSN 5930-01-484-7447
NSN 6320-01-519-8767
NSN 5920-01-249-4544
NSN 5996-01-026-8807