The Kuriyama SB-BR1 Brass Two Lug Female Threaded Coupling (NPT Threads) is designed for sand-blast hose systems, compatible with 3/4 in. hose ID and 1½ in. hose OD. Constructed from brass (ASTM B584, Grade C85700) and featuring a 1¼ in. NPT female thread, this coupling is rated for 175 PSI at 70 °F and weighs 1.02 lb.








