Four 0.438 in. Diameter mtg holes w/90 degrees spacing on 2.375 in. Radiusone 0.750 in. Diameter adjustment hole 0.312 in. Below vertical center
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 5895-01-396-7426
NSN 5920-00-499-5203
NSN 5935-00-152-7921
NSN 6610-01-583-7787
NSN 6220-01-385-2049
NSN 6145-01-521-9881
NSN 6685-01-566-2082
NSN 5835-01-367-4330
NSN 5965-01-487-4479
NSN 6320-01-449-1014
NSN 5950-00-576-7242
NSN 6110-00-087-6927