Used on fire extinguishing sys halon 1301. 2.500" overall length magnetic permeability shall not exceed 2.0 after fabrication passivate surface treated
Used on halon firefighting system, supply class aoe. 2.500" overall length nozzle, fire hose nozzle must have a magnetic permeability of 2.0 or less, per dod-std-2143 passivate surface treated