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 5935-00-432-1507
NSN 5915-00-553-8755
NSN 7035-01-250-5744
NSN 5996-00-518-4880
NSN 7035-01-555-8289
NSN 6135-01-222-0703
NSN 2925-00-070-4576
NSN 5975-00-802-1498
NSN 6145-00-490-9180
NSN 5990-00-258-0228
NSN 5996-00-161-4202
NSN 2925-01-354-1752