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 6685-01-415-0574
NSN 6650-00-400-8371
NSN 5905-00-428-3857
NSN 6645-01-016-7706
NSN 5895-00-475-4352
NSN 2925-01-415-0264
NSN 5925-01-586-6554
NSN 5910-00-666-0479
NSN 5965-00-226-0209
NSN 5985-01-168-7516
NSN 6145-01-501-0996
NSN 5895-00-434-9921