Red 6" x 50' Camlock Medium Duty Hose Male Size_6 Inch National Hose (NH) aka National Compatible part number DMH6045F 36R44N Swivel / Rigid_Rigid Female Model:3132 (6.0 TPI x 3.290 OD)

National Hose (NH) aka National Standard Thread (NST) is often referred to as "fire hose thread" as this is by far the most common thread in use today by fire departments

Equivalent part number - FM15F25F

industrial

If it measures approximately 3 inches

Lightweight booster firefighting hose

Red 6" x 50' Camlock Medium Duty Hose Male Size_6 Inch National Hose (NH) aka National Compatible part number DMH6045F 36R44N Swivel Rigid_Rigid Female Model:3132 (6.0 TPI x 3.290 OD) National Hose (NH) aka National Standard Thread (NST) is often referred to as "fire hose thread" as this is by far the most common thread in use today by fire departments Equivalent part number FM15F25F