3/4" Female NPT x 1/2" Male NPT Reducing Adapter #116425

120-ED Brass 3/4" Female NPT x 1/2" Male NPT Reducing Adapter. This handy adapter will reduce your larger 3/4" male NPT air compressor hose down to 1/2" male NPT.

NOTE: The Outside Diameter (OD) of the 1/2" male NPT thread measures 3/4", and the Inside Diameter (ID) of the 3/4" female NPT threads measures ~1/2".

• The actual measurement of male NPT threads will always measure 1/4" over the listed thread size (so, 3/4" OD is 1/2" NPT, 1" OD is 3/4" NPT, etc.).
• The actual measurement of female NPT threads will always measure ~1/4" under the listed thread size (so, 3/4" ID is 1/2" FPT, 1" ID is 3/4" FPT, etc.).