ADDRESS: 515 N. Fairview St, Santa Ana, CA 92703 | PHONE: (714) 541-6600 | SHOP NOW

Mazzei

Mazzei - Tube Adapter - Hose Barb Connection Fitting x Male Threaded NPT

Product Code TA-225

$2.99
per 
Shipping calculated at checkout.

Hose Barb

National Pipe Thread (NPT) Size Measured Against a Ruler*
 Actual Diameter
(Inches)
National Pipe Thread (NPT)
(Fractional)
0.405" 1/8"
0.540" 1/4"
0.675" 3/8"
0.840" 1/2"
*NOTE: A very common misconception is that a 1/4" NPT measures as 1/4 inch on a ruler or tape measurer. However, that is not the case.  NPT will measure larger in diameter.  Above is a sizing reference to help clarify.