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 6150-00-507-0403
NSN 5910-01-501-5025
NSN 6135-00-128-1633
NSN 5950-01-239-6498
NSN 5895-00-849-0672
NSN 6220-00-266-8222
NSN 5975-01-374-6693
NSN 6645-00-928-7208
NSN 5985-01-516-5537
NSN 5960-01-420-4744
NSN 2925-00-001-4604
NSN 5920-00-436-7753