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 5925-00-595-8846
NSN 5915-00-877-0688
NSN 2925-01-596-9448
NSN 6145-01-630-2633
NSN 5975-01-445-8017
NSN 5910-00-808-7414
NSN 6650-01-022-0627
NSN 5950-01-611-0083
NSN 5910-01-103-7921
NSN 5999-00-910-4302
NSN 5930-00-879-4278
NSN 5920-01-281-5101