GZ-313 – Lock nut – M14x1

GZC-731 – Flare nut – 1/2UNF – ø6

GZ-314 – Lock nut – M16x1

GZ-311 – Lock nut – M10x1

GZ-13-30 – Valve nut – W21.8×1″/14 (left-hand thread) – long

GZ-02-92 – Nut M16x1 / Ø12 – thermoplastic pipes – steel