9in diameter and .75 thk ; mil-g-2857
No other part numbers with same form, fit, and function found.
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 5985-01-496-8483
NSN 6685-01-539-7877
NSN 5965-01-312-7972
NSN 5930-01-292-5263
NSN 7035-01-227-2546
NSN 7035-01-129-7834
NSN 5925-00-042-7805
NSN 5835-00-269-2232
NSN 5998-01-035-1671
NSN 6145-00-107-7913
NSN 5999-00-525-4320
NSN 6220-01-327-3272