- “Brass 3/8″”SAE to 1/4″”SAE Flare Reducing Union with Flare Nuts for Refrigeration Work. Includes Part Nos. RF701, RF388 & RF389
- Includes brass 3/8″” to 1/4″” flare reducing union and heavy duty short barrel brass 1/4″” & 3/8″” flare nuts.
- Coupling nut for flare connection,
Here are some common uses of flare nuts in different sizes
1/2 inch Flare Nut
Often used in automotive applications, such as brake lines and fuel lines, to create a leak-proof connection between the tubing and the fittings.
Also utilized in gas fittings and HVAC systems for secure connections.
1/4 inch Flare Nut
Commonly found in refrigeration systems and air conditioning units to connect refrigerant lines.
Used in hydraulic systems and pneumatic fittings to ensure a tight seal.
3/4 inch Flare Nut
Frequently used in larger gas lines and some industrial applications for connecting tubing and fittings securely.
3/8 inch Flare Nut
Commonly utilized in fuel lines, especially in small engines like lawnmowers, chainsaws, and motorcycles.
Also found in some HVAC systems and gas fittings.
5/8 inch Flare Nut
Often used in automotive applications, particularly in fuel lines and transmission cooler lines.
7/8 inch Flare Nut
Typically used in larger automotive applications, such as connecting air conditioning lines.
|Brass Fitting in AC air conditioning system components nuts
|What’s In The Box
|1/2 inch,1/4 inch,3/4 inch,3/8 inch,5/8 inch,7/8 inch
|Brass Copper Pipe Joining Flare Nut