Barb is 3/8". Base thread size is 1/4" Male NPT threads. Fits common plumbing, gas, and air fittings.
KOOTANS 3/8 NPT x 1/4 NPT Male Solid Brass Hex Nipples, Heavy
Brass Pipe Fitting 1/4 Inch Female Pipe 1/2 Inch Male Reducer
1/8 Hose Barb x 1/8 Female Pipe Thread — COPPERTUBINGSALES
Star Sales USA
Motors, Automotive Tools & Supplies, Air Tools | !
Tint Tanks© Polypropylene Spray Gun with Cone and Fan Nozzles and Filter Set
Proline Series 3/8-in x 1/4-in Barbed Splicer Fitting in the Brass
3/4 Hose Nipple x 3/4 NPT
1 8 Npt Barb for sale
Proline Series 3/8-in x 1/4-in Barbed Adapter Fitting in the Brass
Uxcell 3/8 inch x NPT 1/4 Male Thread Brass Hose Barb Fitting
Barbed Brass Fittings at
Hose Barb Fittings for sale
Standard 1/4 npt to 3/8 barb for connecting a hose to a male threaded connection of a different diameter. Brass material make it strongest
2 Pack Brass Hose Fitting, Adapter, 3/8 Barb x 1/4 NPT Male Pipe
Brass I x M Adapter 3/8 x 3/4 - FarmTek
Brass 3/8 Barb X 1/4 NPT Male End Air Hose Pipe Fitting Threaded