npt fittings 3 4 best sellers

#1 2 Pack 3/4" GHT to 3/4" SANPAINT 2 Pack 3/4" GHT to 3/4" NPT Male Connector, Brass Garden Hose Fitting, Male Hose Adapter

$6.99 on Amazon

#2 RhinoFLEX 20 Ft RV Sewer Camco RhinoFLEX 20-Ft RV Sewer Hose Kit - Features Clear Elbow Fitting w/Removable 4-in-1 Adapter - Connects to 3” Slip or 3”/3.5”/4” NPT Threaded Sewer Connection (39742)

$59.11 on Amazon

#3 12 Pack 1/4" NPT to 3/8" SUNGATOR 12-Pack 1/4" NPT to 3/8" Hose Barb Fittings, Brass Air Hose Fittings, 3/8" Barb to 1/4" NPT Male Thread Adapter, Brass Air Line Repair Connector Kit for Compressor, Gas, Auto Shop

$12.99 on Amazon

#4 3/4 Inch NPT Brass Nipple T TANYA HARDWARE 3/4 Inch NPT Brass Nipple Male Pipe Fitting Adapter, Hex Nipple, (3/4 inch x 3/4 inch NPT Male, 2 Piece), Straight Connector Pipe Fitting, Thread 1" OD to 1" OD

$13.49 on Amazon

#5 2 Pack Brass Hose Fitting SANPAINT 2 Pack Brass Hose Fitting, Adapter, 3/8" Barb x 1/4" NPT Male Pipe

$5.99 on Amazon

#6 43 PCS Brass DOT Air CheeMuii 43 PCS Brass DOT Air Brake Line Fittings 1/4" 3/8" 1/2" Push to Connect Fittings Quick Connect & NPT Thread Tube Air Hose Fittings Repair Kit for Truck or Industrial Air System

$69.99 on Amazon

#7 Stainless Steel 3/4" Beduan Stainless Steel 3/4" Hose Barb to 3/4" Male NPT Home Brew Fitting Water Fuel Air (Pack of 2)

$13.99 on Amazon

#8 3/8 Inch Female to 1/4 SUNGATOR 3/8 Inch Female to 1/4 Male Reducer, NPT Brass Pipe Fittings Adapters, 1/4" Male to 3/8" Female NPT Reducer Adapters, Brass Pipe Extension Connectors, Pack of 2

$7.99 on Amazon

#9 Retractable Air Hose VEVOR Retractable Air Hose Reel, 3/8IN x 100FT Rubber Air Hose Max 300PSI, Air Compressor Hose Reel Auto-Rewind with 5FT Lead in, Ceiling/Wall Mount Heavy Duty Single Arm Steel Reel, 1/4" NPT Fitting

$129.99 on Amazon

#10 304 Stainless Steel 3/4" Ceaeso 304 Stainless Steel 3/4" Hose Barb to 3/4" Male NPT Home Brew Fitting Water Fuel Air， lead-free (Pack of 2)

$12.79 on Amazon

#11 🔥 2 Pack 3/8" Barb to 1/4" SUNGATOR 2-Pack 3/8" Barb to 1/4" NPT Air Hose Fittings, Brass Air Hose Repair Kit with Sealant, 3/8" Barb to 1/4" NPT Male Brass Fittings, Barbed Gas Line Repair Connectors with 2 Clamps

$5.99 on Amazon

#12 32 Pcs Brass DOT Air CheeMuii 32 Pcs Brass DOT Air Line Fittings With 50 FT 1/4" and 32.8 FT 3/8" DOT Air Lines Kit 3/8" 1/2" NPT Thread & Quick Connect Fittings for Semi Truck Trailer or Industrial Air System

$54.99 on Amazon

#13 MAACFLOW Stainless Steel MAACFLOW MAACFLOW Stainless Steel 1/4" Male NPT to 3/8" Hose ID Barb Barbed Hose Fitting Adaptor Connector (Pack of 2)

$8.97 on Amazon

#14 Fuel Filter Water Separator CARMOCAR Fuel Filter Water Separator replacement for Marine Outboard Motor Mercury with 3/8" Barb x 1/4" NPT brass Fittings Replaces# S3213, S3214, 35-60494-1, S3213, 18-7932-1, 18-17928, 35-809097

$30.88 on Amazon

#15 2pcs Brass Hose Barb 2pcs Brass Hose Barb Fitting, 3/4" Barb x 3/4" NPT Male, Adapter, NPT Male to Barb Pipe Fitting by CX WONDERLAND

$9.99 on Amazon

#16 🔥 Brass Bulkhead Fitting Legines Brass Bulkhead Fitting 1/4" NPT Female Bulk head Pipe Fitting Bulkhead Coupling（3/4-16UNF) 0.98" Male, 15/16" Length (Pack of 2)

$12.99 on Amazon

#17 304 Stainless Steel Compression Pysrych 304 Stainless Steel Compression Fitting 3/8" Tube OD x 1/4" NPT Male Coupler Straight Adapter Connect with Double Ferrules Pack of 2

$9.69 on Amazon

#18 🔥 MAACFLOW Brass 3/4" Male MAACFLOW MAACFLOW Brass 3/4" Male NPT to 1/2" Hose ID Barb Barbed Hose Fitting Adaptor Connector (Pack of 1)

$8.97 on Amazon

#19 MAACFLOW Brass 1/2" Male MAACFLOW MAACFLOW Brass 1/2" Male NPT to 3/4" Hose ID Barb Barbed Hose Fitting Adaptor Connector (Pack of 2)

$9.97 on Amazon

#20 Forged Reducer Adapter DERPIPE Forged Reducer Adapter Fitting - Stainless Steel 304 Reducing Pipe Connector, 3/4" NPT Female x 1/2" NPT Male (pack of 2)

$13.99 on Amazon