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 7035-00-620-6835
NSN 4140-00-021-4021
NSN 6110-01-174-5279
NSN 5965-00-348-4165
NSN 6110-01-017-3528
NSN 5998-00-761-5943
NSN 6645-00-679-8203
NSN 6110-01-102-7301
NSN 6145-00-759-6745
NSN 5835-00-135-9528
NSN 5960-01-286-3766
NSN 5960-01-183-3779