... hose and pipe, or between the hose and other equipments. JGHB Hose Swivel&Coupling1) Materials: a) Body: brass b) Seals: buna ... nozzle with fill-pipe3) 100% factory tested4) Ordering specifications: a) JGHB 501-506 b) Sizes: BSPT 3/4" x 5/8 ... " x 3/4", BSPT 1" x 1", NPT1" x 1" JGHB Hose Swivel&Coupling