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 6145-01-503-1445
NSN 5920-01-061-4608
NSN 6150-01-503-4312
NSN 5925-01-113-8272
NSN 5985-01-564-4270
NSN 5990-00-492-5063
NSN 6610-00-799-8315
NSN 5930-01-551-2631
NSN 5965-01-113-9061
NSN 5990-00-824-7051
NSN 5960-01-412-9474
NSN 6220-00-946-2955