1-1/2 Female National Pipe Straight Hose x 1-1/2 National Standard ThreadThe 1 1 2 Female National Pipe Straight Hose x 1 1 2 National Standard Thread Hex Adapter is a thread adapter designed to connect hoses or fittings with different thread types. It allows for the transition between NPSH (National Pipe Straight Hose) threads and NST (National Standard Thread), commonly used in firefighting, industrial water systems, and municipal applications. Specifications Details TYPE Adapter DESIGN Leak proof fit precision machined