Four 0.144 in. Dia. Mtg. Holes spaced 90 deg. Apart on 2.672 in.Radius
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: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 5855-01-062-3126
NSN 5895-01-056-8993
NSN 6240-01-496-9543
NSN 6240-01-088-0389
NSN 5920-00-296-9454
NSN 5920-01-504-1116
NSN 5990-01-571-7468
NSN 5835-00-025-9951
NSN 5945-00-958-3242
NSN 5855-01-218-3735
NSN 5915-01-165-9778
NSN 5960-01-546-2379