> Adapters > 4-1/2 x 2-1/2 Fire Hose Hydrant

Side 1 - Male 3/4 Garden Hose Thread (GHT) for connecting to a hose Side 2 - Female 2-1/2 National Standard Thread (NST) for connecting to the hydrant Inside diameter of 2.5 NST / NH adapter conforms to NFPA 1963 Standard for Fire Hose Connections 2014 Edition NH / NST: The most common thread type in use by fire departments today is NST or National Standard Thread. NST also goes by the initials NH or National Hose. It can even be referred to as NHT or National Hose Thread.

SpringSpray 1-1/2 NST (NH) Female x 3/4 GHT male Brass Fire Hydrant Adapter with Pin Lug Brass Fire Equipment Brass Hydrant to Garden Hose Adapter

Brass Fire Hose Fittings, Hydrant Adapters

Four Inch by Two and a Half Inch Adapter

Brass Fire Hose Fittings, Hydrant Adapters

3 Male NPT x 2-1/2 Female Swivel NNI Fire Hose Hydrant Swivel

Brass rigid fire hose and hydrant adapters provide good strength, ductility, and corrosion resistance. They are more heat-resistant than aluminum rigid fire hose and hydrant adapters. These fittings will not rotate as a hose is moved, making them less likely to loosen or break than swivel adapters.

Fire Hose Hex Nipple Adapter, MNPT x NH Male, Moon American, 358-2562521

Fire Hose Adapters and Fittings: The Definitive Guide

2 NPSH Female (Rockerlug Swivel) x 2 NPT Male Aluminum Fire

Dixon HA2525ADP 2 FNST x 2 C&G Brass Hydrant Adapter

Brass Fire Hose Fittings, Hydrant Adapters

Fire Hose Female/Male Reducer Adapter - 4-1/2 In. NH Female X 2-1

Fire Hose Adapters and Fittings: The Definitive Guide