The NST Expansion Ring Fire Hose coupling comes with American National Standard Threads. A ring is inserted into the coupling and expanded to hold the fire hose
1 x 50' White Coupled Aluminum NST/NH Single Jacket Fire Hose
1-1/2'Double Layer Brass Material Female and Male Nst Thread Fire
Blue 3 x 50' Double Jacket Fire Hose (30D850BL) – HoseRack
PW625B50RBS Dixon, Double Jacket Potable Water Hose
A325100RBF Dixon 300# Single Jacket All Polyester Fire Hose
Types of Fire Hose Coupling Supplier, Fire Hose Fittings and
Zyfire Nst/NPT/Nh/Bst Expansion Ring Threaded Alu. Fire Hose
1-1/2 x 50' White Coupled Brass NST/NH Single Jacket Fire Hose
Dixon Powhatan Aluminum Expansion Ring Rocker Lug Couplings
nst fire hose coupling, nst fire hose coupling Suppliers and
Brass Material American Nst/Nh Bowl Fire Hose Coupling with Ring