Mounts by a 5/8-24 threaded hole on one end
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 5998-01-036-6290
NSN 6240-00-907-3371
NSN 4140-01-139-6192
NSN 5990-00-524-2293
NSN 5960-01-491-9916
NSN 5855-01-463-9401
NSN 5920-00-776-0633
NSN 5905-01-439-4672
NSN 6645-01-203-9542
NSN 6685-01-074-7264
NSN 7035-01-178-7732
NSN 2925-00-246-3077