Silkscreen permanent black background on side 1 per marking artwork 54494-90063 rev b artwork to be registered within 0.020 in. Of noted holes
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 5925-00-906-7838
NSN 5945-01-521-0916
NSN 5915-01-473-2455
NSN 6130-00-660-8060
NSN 5925-00-203-1278
NSN 6650-01-549-5838
NSN 6240-01-134-6987
NSN 5905-01-219-3094
NSN 5920-01-415-2878
NSN 5925-00-917-0546
NSN 6240-01-336-6497
NSN 6650-01-433-3520