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 7035-01-302-5359
NSN 6135-01-408-9244
NSN 5965-01-227-8936
NSN 6620-01-294-1044
NSN 6645-00-556-8105
NSN 5945-01-102-7707
NSN 6135-01-022-5427
NSN 5999-01-259-6376
NSN 6645-01-254-0490
NSN 5990-01-411-5930
NSN 5945-01-080-3811
NSN 6130-01-476-8472