MEETOOT4pcs Brass Lock Nuts Pipe Fitting 1/2 Inch NPT Female Lock Nut Gasket NPT Female Brass Flange Hex Lock Nut Suitable for Water, Gas, Oil

MEETOOT 4pcs Brass Lock Nuts Pipe Fitting 1/2 Inch NPT Female Lock Nut Gasket NPT Female Brass Flange Hex Lock Nut Suitable for Water, Gas, Oil

12pcs Silicone Washer Gasket, 1/2" Sealing O Rings White Flat Gasket Wave Lock Washers for Bellows Hoses

DERNORD Cast Pipe Fitting Stainless Steel 304 Hex Locknut 1/2 Inch NPT Female (Pack of 2)