Standard Union Polypropylene 1/4-28 Back Catalog number: P-620 Availability: In the manufacturer's stock Price on request - + Recommended 526 Y CONNECTORS PP, O 16mm (Nominal) Price on request 11-008-003-48-0 Quick clamp knurled nut Price on request JR-796 SS Tubing Pliers , 1/16" , 1/8" Capillaries Price on request