Parker - Brass Flared Tube Plug: 1/2″ Tube OD, 3/4-16 Thread, 45 ° Flared Angle - 53565693 - MSC Industrial Supply

Anderson Metals - 54046-0812 Brass Tube Fitting, Coupling, 1/2 Flare x 3/4 Female Pipe: : Industrial & Scientific

Metal Flared Tube Fittings - MSC Industrial Supply

Gisafai 6 Pcs Brass Flare Cap Assortment Kits, 45 Degree Flared Tube Fitting Flare Cap Brass Fittings Gas Pipe Cap Gas Line Cap(Fittings for 1/4 5/16 3/8 1/2 5/8 3/4 OD):

Male Union Connector 3/8 x 3/8 100% Brass Flared Tube Fitting, Union, 3/8 Male SAE 45 Degree (1) : Industrial & Scientific

Legines Brass Flare Fitting, Coupling, 1/2 Tube OD x

Hex plug with SAE 45-degree flare male end terminates tube size fitting Brass for corrosion resistance, ductility at high temperatures, and low

Legines Brass Flared Plug 3/8 Tube OD, SAE 45 Degree Flare Tube Fitting（Pack of 2）

41FS-4 - Brass 45° Flare Fittings

Gisafai 6 Pcs Brass Flare Cap Assortment Kits, 45 Degree Flared Tube Fitting Flare Cap Brass Fittings Gas Pipe Cap Gas Line Cap(Fittings for 1/4 5/16 3/8 1/2 5/8 3/4 OD):

166FSV-4-4 - Brass 45° Flare Fittings

Parker - Brass Flared Tube Connector: 3/8″ Tube OD, 1/2-14 Thread, 45 ° Flared Angle - 53569703 - MSC Industrial Supply

Metal Flared Tube Fittings - MSC Industrial Supply