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 4140-01-025-0923
NSN 5915-01-069-2775
NSN 5965-01-418-4380
NSN 4140-01-480-1301
NSN 6110-01-259-3421
NSN 5930-01-211-8844
NSN 6220-00-079-2943
NSN 5930-01-494-6491
NSN 5996-01-188-7548
NSN 5930-01-469-5736
NSN 5920-00-003-5845
NSN 5930-01-483-6662