5/16" Flare x 3/8" Male Brass Adapter - Warren Pipe and Supply
Stainless Beverage Fittings - Straight Adapters - 3/8" NPT x 5/16" Male Flare
3/8" to 5/16" Fuel Line Adapter Fitting
Hillman 5-Pack 5/16-in x 3/8-in Threaded Coupling Adapter Fitting in the Brass Fittings department at Lowes.com
New 3/8" Female Pipe Thread x 5/16" Brass Hose Barb Adapter Carded. Sol - Walmart.com
Gates 5/16, 3/8 Inch Hose Connector/Reducer 28594 | O'Reilly Auto Part
5/16" Compression x 3/8" Male Brass Adapter - Warren Pipe and Supply
Apex - Socket Adapter: Square-Drive to Hex Bit, 3/8 & 5/16″ Square Female - 76987627 - MSC Industrial Supply
LTWFITTING 5/16 in. O.D. Comp x 3/8 in. MIP Brass Compression Adapter Fitting (5-Pack) HF685605 - The Home Depot
Amazon.com: Beduan Brass Hose Barb Reducer, 3/8" to 5/16" Barb Hose ID, Reducing Barb Brabed Fitting Splicer Mender Union Air Water Fuel (Pack of 2) : Industrial & Scientific
LTWFITTING 5/16 in. O.D. Comp x 3/8 in. MIP Brass Compression Adapter Fitting (5-Pack) HF685605 - The Home Depot
AN6 AN8 AN10 Male Flare to 5/16" 3/8" Fuel Hardline Tube Fitting Adapter Connector Alloy Black For 5/16" 3/8" inch OD Alloy Tube - AliExpress
5/16" Compression x 3/8" Female Brass Adapter - Warren Pipe and Supply
Wera Tools 042765 3/8" Square to 5/16" Hex Adaptor with Quick-Release Chuck
3/8" NPT Male To 5/16" Inverted Flare Female Adapter Fitting - BF56 - Affordable Street Rods
Amazon.com: Brass Hose Barb Reducer, 3/8" to 5/16" Barb Hose ID, Reducing Barb Brabed Fittings Splicer Mender Union Air Gas Water Fuel Line Heater Garden Pond Poly Tubing Adapter (Pack of 2) :
Amazon.com: Fuel Rail Adapter Fittings Feed/Return 6AN Male to 3/8" and 5/16" (Female) Push-On EFI Fitting : Automotive
JEGS 159202: Captive Nut Adapter Fitting 5/16" Hard Line x 3/8" Hose Barb - JEGS
Lead Free Brass Compression Male Adapters - 5/16"T x 3/8" MIP
Adapter, QDF 3/8" » 5/16" Barb, Black (QDA-38FHB56CL): EFI Adapters - Quick Connect Female » AN JIC | Racetronix
LTWFITTING 3/8 in. O.D. x 5/16 in. O.D. Brass Compression Reducing Coupling Fitting (25-Pack) HF62R6525 - The Home Depot
CAMVATE 3/8"-16 Female to 5/8"-27 Male Mic Stand Thread C1513
