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 5975-00-281-0090
NSN 6610-01-053-0061
NSN 6145-01-152-0628
NSN 5985-00-107-6189
NSN 5925-01-634-0664
NSN 5930-01-334-1257
NSN 5855-01-246-4274
NSN 5925-00-350-4589
NSN 6130-01-583-6446
NSN 5925-01-103-7015
NSN 5965-01-448-6055
NSN 6110-00-218-4737