The DeatschWerks 6AN female flare nut is a replacement fastening nut for 6AN hardline tubing assemblies. It secures male flare fittings to hard tubing or adapters in fluid systems and is intended for use when building or repairing AN-style hard-line connections, ensuring a proper mechanical seal between tubing and mating components.
DeatschWerks 6AN Female Flare Nut for Hardline Tubing