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 5895-01-025-0971
NSN 5999-01-468-5953
NSN 5895-01-439-1169
NSN 5910-01-401-5279
NSN 5910-00-326-2022
NSN 5855-01-611-8933
NSN 5975-01-262-4514
NSN 5935-00-499-2253
NSN 6130-01-081-5679
NSN 6645-00-968-6118
NSN 5975-01-168-4374
NSN 5920-00-678-3396