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 5985-01-113-7113
NSN 5990-01-188-7309
NSN 6620-01-060-6418
NSN 5990-01-056-6413
NSN 6240-01-092-3509
NSN 5945-00-606-1227
NSN 6145-01-153-7197
NSN 5905-01-322-6971
NSN 5915-01-299-4478
NSN 6650-00-283-0978
NSN 7035-01-650-4161
NSN 6150-01-158-3181