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 5985-01-406-6262
NSN 6110-00-578-7243
NSN 5945-00-421-0263
NSN 5990-00-419-0236
NSN 5930-00-916-2055
NSN 6645-00-959-6502
NSN 5985-00-230-8533
NSN 5910-01-199-2676
NSN 5965-01-534-9961
NSN 6105-01-444-1201
NSN 5975-00-612-7594
NSN 6145-00-246-9776