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 5855-01-157-7186
NSN 6320-01-323-7565
NSN 6135-01-213-7339
NSN 5975-01-482-7049
NSN 5935-00-581-4181
NSN 6145-01-448-5777
NSN 5965-01-053-6230
NSN 5990-00-477-1362
NSN 6685-01-519-2856
NSN 2925-01-144-0352
NSN 5996-01-519-1293
NSN 5910-00-888-0497