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 5920-00-010-6652
NSN 5996-01-569-1949
NSN 5975-01-490-2569
NSN 5895-00-481-7596
NSN 2925-00-233-5644
NSN 5895-01-218-0602
NSN 6150-01-644-0172
NSN 5999-00-991-8732
NSN 5855-01-555-3354
NSN 6145-01-535-3376
NSN 6610-01-098-8363
NSN 5910-01-565-9259