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 6685-01-598-8239
NSN 5985-00-620-0309
NSN 6620-01-566-3456
NSN 5996-00-205-2933
NSN 5999-00-454-6266
NSN 5920-01-339-7421
NSN 5935-00-983-5992
NSN 6135-01-604-8739
NSN 5975-01-166-9686
NSN 5905-01-284-0461
NSN 5905-00-925-9313
NSN 6620-01-391-7331