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 5925-00-981-9006
NSN 5960-00-082-4298
NSN 5945-00-654-0179
NSN 6645-01-298-4662
NSN 6610-00-824-3376
NSN 5985-01-041-2177
NSN 5920-01-535-0796
NSN 6320-01-358-8069
NSN 5990-00-281-4164
NSN 6320-00-925-0558
NSN 5925-01-519-9251
NSN 5998-00-264-3088