Standard Union Polypropylene 1/4-28 Back Catalog number: P-620 Availability: In the manufacturer's stock Price on request - + Recommended FS1R.4-5 FS adaptor 1/16", for .4mm OD, Polyimide,, pk/5 Price on request 525 Y CONNECTORS PP, O 14mm (Nominal) Price on request 1256 L CONNECTORS PP, O 16mm (Nominal) Price on request