1 1/4" male national pipe thread with female adapter
For best results, use Teflon tape, pipe dope or other similar products to prevent seizure
Conforms to military specification 27487
This 1 1/4" MNPT cam and groove coupler with female adapter conforms to military specification 27487. B style cam and groove couplers offer a maximum of 150 PSI and are perfect for industrial, fleet and mining applications.