fuel control systems, and fuel pumps for gas turbine engines for aircraft, marine and groun-based applications, valves for aircraft, and other control systems for aircraft and parts therefor, namely valve adjusting knobs, adapters, alternators, ball bearings, journal and thrust bearings, bellows, pump bodies, filter bodies, fuel control bodies and ferrite blocks, wear blocks, brackets, supports, mounting bridges and electrical connectors, tubing connectors, bushings, cams, clamps and clips, clutches, covers and caps, cups, detents, dials and quadrants, dial pointers, diaphragms, discs, eductors and diffusers, fasteners, filters, strainers and screens, fittings, flanges, flyweights, rock shafts and bell cranks, cam followers, cam block frames, forks, pumping and spur gears and pinions, gearheads, guides, housings, impellers, identification plates and decals, indicators and warning units, inducers, inserts, insulators, restrictor jets, bleed orifice devices, nozzles, reducers and restrictors, keys, levers, linkages and arms, locking cups, magnets, motors, packings, gaskets and seals, pins, pivots, stems, studs, lugs, rods and dowels, piping and tubing, pistons, retaining thrust plates, ID plates, side plates, plungers for detents, activators, plugs, posts, potentiometers, printed circuit boards, programmable memory devices, retainers and keepers, rings, rollers, rotors, shafts, shims, spacers and washers, splines, drives and couplings, spacers, springs, standpipes, stops, straps, switches, tracks, transducers, valves and sleeves, vanes, volutes, yokes and saleable assemblies incorporating two or more of the above