Standard Union Polypropylene 1/4-28 Back Catalog number: P-620 Availability: In the manufacturer's stock Price on request - + Recommended JR-ZF1S6-5 Ferrule, SS, 1/16"; Valco type, 5/pkg Price on request ZU1XC SS Union 1/16", bore size 0.006" Price on request P-704 Union Assembly, ZDV, PEEK, 0.020" ID, 1/16" OD Tubing, 10-32 Coned Price on request