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 5960-01-210-9762
NSN 5915-01-213-7304
NSN 5945-01-625-0708
NSN 5835-00-759-1109
NSN 6685-01-143-5911
NSN 5930-01-030-1522
NSN 5930-01-163-0649
NSN 5945-00-333-7998
NSN 5960-01-026-5370
NSN 5925-00-900-5354
NSN 5915-01-144-2319
NSN 5920-00-626-3287