Ground Joint Interlocking Couplings are designed for medium to high pressure hose applications as well as for severe media such as steam and chemicals.
Dixon Boss® Ground Joint Female NPT Complete Couplings - John M
An Installer's Pocket Guide For Swagelok® Tube Fittings, 44% OFF
The Ground Joint female swivel adapter can be used to adapt equipment to a male spud or hose with male ground joint thread. Also use with a pipe tee
Chicago Coupling — Wing Nut Female X F NPT Adapter
Chicago Coupling — Hose Couplings
Ground Joint Boss Hose Couplings - Capital Rubber Corp
Terrain Drainage Systems - BSS Industrial Pipeline & Heating
Dixon Boss Ground Joints (Interlocking Couplings)
Wing nut threaded cap covers unused male ground joint thread hose couplings and adapters. (For female ground joint caps, use a spud and pipe plug)
Chicago Coupling — Ground Joint Cap
Eaton Industrial Hose Catalog - Hose Warehouse by Murdock
Dixon Boss Parts Ground Joint Blowup
Dixon Boss Ground Joints (Interlocking Couplings)