National Hardware N182-725 N347-104 Threaded Rod Coupler 3/4 Inch 10 TPI Zinc Plated Steel: Threaded Rod & Coupling Outlet (038613182721-3)
Aluminum, 4 in x 4 in Fitting Pipe Size, Half Coupling - 60PW59|ZUSA-PF-9452 - Grainger
FBRI1-1/4 - Ward FBRI1-1/4 - 1-1/4" Black Right & Left Hand Thread Coupling
Camlock DN 20 (3/4'') Stainless Steel Coupling G 3/4'' Female Thread Type A EN 14420-7 (DIN 2828) | Tameson.com
Value Collection - Black Coupling: 3/4″, Threaded - 36997161 - MSC Industrial Supply
Value Collection - Pneumatic Hose Coupling: 1/4″ Thread, 1/4″ Body Dia, Universal Interchange - 67691303 - MSC Industrial Supply
Nozzle Coupling with 3/4 inch Threads | Blue Dog Blasting
Pipe Fittings Direct. 4 inch NPT mechant steel full coupling, Class 150, Internal Thread X Internal Thread
Horiznext npt 1/2 (means the inner diameter of the thread is 3/4 inch) cast female taper threaded pipe coupling, stainless steel 304 coupler for mush tun cooler and shower hose, 2 pcs - Amazon.com
Lasco 3/4 inch Coupling - FPT x FPT - Par West Turf