Goodridge re-usable locknut to suit bulkhead fittings. Available in zinc plated steel, stainless steel or anodised aluminium and in various threads.
Goodridge Female Concave Seat Bulkhead Fitting - For -3 Hose M10 x 1 Thread With Threaded Body In Zinc Plated Steel, Silver
Automotive Plumbing Solutions Male To Male Bulkhead Adaptor JIC Thread - 8 Bulkhead Fitting, Silver
Goodridge Female Hose End Fitting - 8, Black, 90 Degree, Black
Goodridge Female Hose End Fitting - 8 Size, Blue/red
Goodridge Female Hose End Fitting - 12 Size, Blue/red
Demon Tweeks Metric Aerospace Locknut (K-Nut) - M10 x 1.25mm