Hillman 6-Pack 5/16-in x 1/4-in Threaded Coupling Fitting in the Brass Fittings department at Lowes.com
JB Industries A31665 5/16" SAE Male x 1/4" SAE Female Brass Adapter - Amazon.com
CONVERTER SCREW: 5/16"-24 to 1/4"-20
Apex® A-110 Socket and Ratchet Wrench Adapter, Imperial, Hex x Square Drive, 5/16 x 1/4 in Male Drive, Male x Male Adapter, Specifications Met: ASME B107.113, High Carbon Alloy Steel
1/4" NPT Male To 5/16" Inverted Flare Female Adapter Fitting - BF54 - Affordable Street Rods
Amazon.com: R410A Adapter 5/16" SAE Female Quick Couplers to 1/4" SAE Male Flare, 2 PC 45 Degree Angled Charging Vacuum Adapter, Used for R410a with Thimble Mini Split System, HVAC and Refrigeration
200DD – 5/16 X 1/4 Inverted Flare X Male Connector – Couplings Company
Brass Compression Male Adapters - 5/16" x 1/4" Light Pattern Pattern
Amazon.com: R410A Adapter 5/16 inches SAE Female to 1/4 inches SAE Male Flare for Air Conditioners HVAC, 2 Straight Adapter + 2 Angled Adapter : Automotive
R410a Adapter for Mini Split HVAC System 5/16" Female SEA x 1/4" Male - BlueStarsParts
Adapter Fittings 1/4 NPT to 5/16 2pk | Allstar Performance
Parker - Industrial Pipe Adapter: 3/4″ Female Thread, 1-5/16-12 Male Thread, Male Straight Thread O-Ring x Female NPTF - 72517931 - MSC Industrial Supply
LTWFITTING 5/16 in. O.D. Comp x 1/4 in. MIP Brass Compression Adapter Fitting (5-Pack) HF685405 - The Home Depot
3PCS Archery Screw Adapter 1/4"-20 Thread To 5/16"-24 For Thread Accessories US | eBay
1/4" Male NPT x 5/16" Flare (SAE) Brass Adapter
5/16"-1/4" 410A Adapter
Moroso A/C Stud Adapter, 1/4 in. To 5/16 in. - 66390
Brass Pipe to Hose Adapter - 5/16" Barb, 1/4" NPT Male
5/16" Male Hex x 1/4" Male Square Adapter - BADT3 | Mac Tools
ADAPTER 1/4" FEMALE - 5/16" MALE sae
1/4" Male NPT x 5/16" Compression Brass Adapter
LTWFITTING 5/16 in. OD Flare x 1/4 in. FIP Brass Adapter Fitting (5-Pack) HF465405 - The Home Depot