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

GZC-731 – Flare nut – 1/2UNF – ø6

GZ-315 – Lock nut – M18x1

GZ-312 – Lock nut – M12x1

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

GZC-730 – Flare nut – 7/16UNF – ø6