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 6150-01-237-1479
NSN 5910-01-133-5275
NSN 5835-01-355-3654
NSN 6220-01-444-4913
NSN 5855-01-256-2551
NSN 6645-01-316-7456
NSN 5960-00-633-7670
NSN 6220-01-170-0694
NSN 5910-01-280-9968
NSN 2925-00-871-9240
NSN 6130-00-277-7321
NSN 5920-00-860-0456