An opening of various shapes designed to allow single or multiple fluids to drain or vent usually to the exterior of the aircraft. excludes: grille, metal
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 2925-01-543-5571
NSN 5925-01-070-5618
NSN 6645-01-422-9672
NSN 6110-00-113-1415
NSN 6650-01-017-0980
NSN 5915-01-257-4714
NSN 5960-01-261-6753
NSN 6110-00-004-8883
NSN 5945-01-302-6507
NSN 5915-01-420-7442
NSN 6645-01-289-0376
NSN 6650-01-547-6037