Patent ID: 8356843

Claim:
An aircraft refrigerant system comprising: a support structure of an aircraft; a refrigerant circuit supported by the support structure including conduits for communicating a refrigerant between a compressor, a condenser, an expansion valve and an evaporator; and a connector assembly providing a connection within the refrigerant circuit, the connector assembly including; a connector including a bore, an end face, a seal bore and external threads, the seal bore open to the bore on a radially inward side; a nipple including a bore, a shoulder and a seal face; a securing member including internal threads for engaging the external threads of the connector for holding the end face against the seal face; and a metal seal received within the seal bore, the metal seal comprising a metal substrate having a coating comprising a metal material different than the substrate that is softer than the metal substrate, the metal seal disposed in sealing engagement with a surface of the seal bore and the seal face.