Aluminum 4" Storz x 4" Male NH Thread Origin_Global 5 inch NPT or NPSH

5 inch NPT or NPSH male hose coupling is 1

Adjustable fire hydrant wrench single head spanner for pentagon and square heads

Machined from forged 6061 - T6 aluminum and anodized

Light Industrial Use

The most common fire fitting thread in the United States is 2 1/2 inch NH /NST

Aluminum 4" Storz x 4" Male NH Thread Origin_Global 5 inch NPT or NPSHStorz 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