Dixon, N4S4-B, N-Series 1/2" DQC Bowes Interchange Brass Plug Standard Hose Barb 1/2"SpecificationsRated pressure for connected Brass Coupler & Brass Plug: 300 PSI (20 bar) Maximum Working and 8,200 PSI BurstConstructionMachined components are manufactured using solid bar stockPhosphor Bronze retaining ring and spring maximize corrosion resistance and extend service lifeAvailable OptionsStaked ferrule option available, contact DixonCompatibility & Interchange DataBowes Interchange Bayonet StyleInterchangeable with Bowes 51000-Series, National Series 'B', Dixon Dixlock, MacDonald Quick-ActionSafety notesOperating pressure for couplings utilizing hose barb connections may be dramatically reduced to that of the hose rating and/or hose end connection combination. Consult hose manufacturer's catalog for hose end connection ratings. If in doubt, test under controlled conditions for suitability to applicationDixon cannot assume liability for misapplication of production resulting in equipment down-time, lost production, and/or personal injury including deathIt is important to be safe when installing quick disconnect couplings into a pneumatic circuit. Never install a pneumatic coupling directly into an air tool, use a piece of hose that is at least 18" long, between the tool and the coupling, to prevent damage to the coupling. To protect the operator, safety devices, such as a safety check valve and safety cable should be installed in case there is a hose or coupling failureWARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling