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 6105-00-882-0854
NSN 6105-01-206-4768
NSN 6130-01-594-4550
NSN 5895-00-940-2549
NSN 6650-00-583-1735
NSN 5905-00-252-2035
NSN 5965-00-067-0290
NSN 6645-00-222-2785
NSN 5910-01-027-0671
NSN 5895-01-479-6165
NSN 6650-01-555-8349
NSN 5945-01-482-0288