5/16-24 to 3/16 compression fitting with nut and ferrule.

This LTWFITTING Compression Unions are made of brass for durable. Designed for use with aluminum, copper and plastic tubing. Not for use with steel

LTWFITTING 3/8 in. O.D. x 5/16 in. O.D. Brass Compression Reducing Coupling Fitting (25-Pack) HF62R6525 - The Home Depot

Uxcell 5/16 8mm Tube OD Brass Compression Sleeves Ferrules 40 Pcs Brass Ferrule Fittings Compression Fitting Kit

700062-10 Midland Lead Free Compression Fitting, Union, 5/8 Tube OD x 5/8 Tube OD

Nitrous Express 5/16-24 To 3/16 Compression Fitting - Raw

Breezliy 150PCS Tube OD（1/4 5/16 3/8 1/2) Brass Compression Sleeves Ferrules & Insert,4 Sizes Brass Compression Fitting Assortment Kit : Industrial & Scientific

★Suitable for the outer diameter of the pipe:1/4 5/16 3/8 1/2 ★Material: Brass.Corrosion resistance, ductility at high temperatures, and low

150PCS Tube OD（1/4 5/16 3/8 1/2) Brass Compression Sleeves Ferrules & Insert,4 Sizes Brass Compression Fitting Assortment Kit

47205 - Flareless Tube Compression Fittings for Hydraulic Applications

2 Brass SAE Brake Line Adapter 3/16 Female 3/8-24 X 5/16 (1/2-20) Male Inverted

SS-47165A Flareless Compression Tube Fitting Stainless Steel, Fittings