Aluminum 5" Storz x 5" Female NH Thread Storz Size_2 1/2" Rigid Storz NH threads are used by

NH threads are used by most fire departments and fire trucks

bottom and ends keeps your hose in an attack ready condition

and valve is opened

NH /NST threads are standard

Aluminum 5" Storz x 5" Female NH Thread Storz Size_2 1/2" Rigid Storz NH threads are used byStorz Head component shall be forged from Alloy 6061 aluminum and heat treated to T6 temper. Adapters and components meet the requirements of NFPA 1963. Locking Storz are only available on 4, 5, and 6 inch. Locking springs prevent unintentional disconnects. Locks are stainless steel. The Safe Water Drinking Act section 1417 requires "Lead Free" products to be a minimum of 99. 75% lead free. Download Spec Sheet