1/8" 1/4" 3/8" 1/2" NPT Female To Male BSP Brass Pipe Fitting Connector Adapter For Pressure Gauge Air Gas Fuel Water|Pipe Fittings| - AliExpress
B&K 3/8-in x 1/2-in Threaded Flare x Mip Adapter Union Fitting in the Brass Fittings department at Lowes.com
Kupo 3/8"-16 Male to 1/4"-20 Male Thread Adapter KG007512 B&H
1-1/2" to 1-3/4" Hose w/ 1/8" NPT Steam Port Adapter Top Radiator LS Swap Coolant | AN627-27X125 - ICT Billet
Reducer 1/2" to 1/8" Npt Female Pipe Adapter Coupler Brass Fitting Water Oil Gas | eBay
Acetylene/Fuel Gas Adapter - A Size Male to 1/8 NPT Male Acetylene/Fuel Gas Adapter "A" Male-1/8" Male | Arc-Zone.com [WES-133 (B-7)] - $3.00 : Arc-Zone.com, Welding Accessories Store
Amazon.com: Legines Brass Bushing 1/2" NPT Male x 1/8" NPT Female Reducer Adapter Forged Pipe Fitting 1200psi (Pack of 2) : Industrial & Scientific
Brass Pipe Hex Nipple Fitting Quick Adapter 1/8" 1/4" 3/8" 1/2" 3/4" 1" Bsp Male Thread Water, Oil And Gas Connector - Pipe Fittings - AliExpress
BSP Male to AN or NPT Male Adapter - Pegasus Auto Racing Supplies
B&K 1/2-in x 1/8-in Threaded Male Adapter Bushing Fitting in the Brass Fittings department at Lowes.com
Adapter, 1/8 inch NPT Female to 1/2 inch NPT Male| SPEEDHUT® Custom Gauges
Adapter Fittings 1/8 NPT to 3/16 4pk | Allstar Performance