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Filler & Fuel Caps
Filler and fuel caps are fluid-system closure components designed to seal refuelling ports, filler necks, and vent apertures on aircraft fuel systems, encompassing pressure-relief and non-venting variants manufactured from aluminium alloys, stainless steel, or engineering polymers to meet MIL-SPEC and AS standards, with sealing integrity provided by elastomeric O-rings and face seals qualified to relevant fuel-compatibility requirements.
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