7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
aerospace machine parts, namely, transmissions, gears, seals, spacers, rings, locks, housings, cases, ducts, supports, shrouds, bodies, gear shafts, shafts, frames, gearboxes, flanges, disks, hubs, collars, links, plates, nuts, covers, retainers, adapters, dams, plugs, spindles, liners, sleeves, shims, races, pins, deflectors, diffusers, adapters, pads, washers, lock nuts, shields, tubes, bolts and clutches