Bottom 4.0 mm recessed 7.0 - 7.2 mm; top edge chamfered 45 degrees to depth of 1.5 mm; top and bottom surfaces to be polished and visually clear without scratches; all other edges to be machined but not polished
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: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6645-01-008-2720
NSN 6150-01-514-7370
NSN 5975-01-425-4430
NSN 5925-01-093-2484
NSN 6110-00-524-3085
NSN 2925-00-233-5644
NSN 6620-00-308-2531
NSN 5895-00-338-6599
NSN 5905-00-839-4330
NSN 5985-01-639-8150
NSN 5950-01-423-1686
NSN 6320-01-530-0588