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Aircraft fittings are used to connect, route, and secure fluid and air systems throughout vintage aircraft, including fuel, oil, hydraulic, and pneumatic lines. Our inventory includes a range of fittings designed to meet AN and other aviation standards, with attention to thread type, sealing method, and material compatibility.

Correct fitting selection is essential to preventing leaks, maintaining pressure, and ensuring system reliability. We provide sizing and specification details to support accurate identification, especially when working from legacy systems or incomplete documentation.

We prioritize compatibility with original installations and offer support in cross referencing obsolete or superseded part numbers. Whether replacing a single fitting or rebuilding an entire system, proper selection helps maintain safe and reliable operation under all conditions.

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  • AN818-16 Nut - Coupling
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    AN818-16 Nut - Coupling

    This AN818-16 Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-16Part Type: Nut - CouplingDetails: AN Standards, HardwareMaterial: SteelAircraft: various...

  • AN818-12 Nut - Coupling
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    AN818-12 Nut - Coupling

    This AN818-12 Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-12Part Type: Nut - CouplingDetails: AN Standards, HardwareMaterial: SteelAircraft: various...

  • AN818-10 Nut - Coupling
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    AN818-10 Nut - Coupling

    This AN818-10 Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-10Part Type: Nut - CouplingDetails: AN Standards, HardwareMaterial: SteelAircraft: various...

  • AN818-8 Nut - Coupling
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    AN818-8 Nut - Coupling

    This AN818-8 Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-8Part Type: Nut - CouplingDetails: AN Standards, HardwareMaterial: SteelAircraft: various...

  • AN818-6 Nut - Coupling
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    AN818-6 Nut - Coupling

    This AN818-6 Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-6Part Type: Nut - CouplingDetails: AN Standards, HardwareMaterial: SteelAircraft: various...

  • AN818-5 Nut - Coupling
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    AN818-5 Nut - Coupling

    This AN818-5 Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-5Part Type: Nut - CouplingDetails: AN Standards, HardwareMaterial: SteelAircraft: various...

  • AN818-4 Nut - Coupling
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    AN818-4 Nut - Coupling

    This AN818-4 Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-4Part Type: Nut - CouplingDetails: AN Standards, HardwareMaterial: SteelAircraft: various...

  • AN818-2 Nut - Coupling
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    AN818-2 Nut - Coupling

    This AN818-2 Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-2Part Type: Nut - CouplingDetails: AN Standards, HardwareMaterial: SteelAircraft: various...

  • AN818-32D Nut - Coupling
    Out of stock

    AN818-32D Nut - Coupling

    This AN818-32D Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-32DPart Type: Nut - CouplingDetails: AN Standards, HardwareMaterial:...

  • AN818-24D Nut - Coupling
    Out of stock

    AN818-24D Nut - Coupling

    This AN818-24D Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-24DPart Type: Nut - CouplingDetails: AN Standards, HardwareMaterial:...

  • AN818-20D Nut - Coupling
    Out of stock

    AN818-20D Nut - Coupling

    This AN818-20D Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-20DPart Type: Nut - CouplingDetails: AN Standards, HardwareMaterial:...

  • AN818-16D Nut - Coupling
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    AN818-16D Nut - Coupling

    This AN818-16D Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-16DPart Type: Nut - CouplingDetails: AN Standards, HardwareMaterial:...

  • AN818-12D Nut - Coupling
    Add to Cart

    AN818-12D Nut - Coupling

    This AN818-12D Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-12DPart Type: Nut - CouplingDetails: AN Standards, HardwareMaterial:...

  • AN818-10D Nut - Coupling
    Add to Cart

    AN818-10D Nut - Coupling

    This AN818-10D Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-10DPart Type: Nut - CouplingDetails: AN Standards, HardwareMaterial:...

  • AN818-8D Nut - Coupling
    Add to Cart

    AN818-8D Nut - Coupling

    This AN818-8D Nut - Coupling is in New Surplus condition and ready to be part of various aircraft restoration projects! Part Number: AN818-8DPart Type: Nut - CouplingDetails: AN Standards, HardwareMaterial:...