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 5975-00-021-4519
NSN 5920-01-613-5202
NSN 5975-01-088-6116
NSN 5965-00-170-5254
NSN 6685-01-382-5851
NSN 6145-01-270-3073
NSN 5910-01-576-5889
NSN 6650-00-675-1370
NSN 6220-01-383-6178
NSN 5895-01-355-2963
NSN 6320-00-937-5625
NSN 5998-01-025-6293