Quick Connect Component, Male Plug, Brass, Oxygen ORS NASCO high temperature flux for use in high temperature flux for use in silver brazing Formulated for applications where the work is subjected to rapid the distributor is in no way affiliated with the above named manufacturers (a) Must be used only as a set of shield and nozzle 000 operations indicating a service life of 10 to 12 years of comparable use Non interchangeable oxygen and fuel gas connectors prevent accidental gas mixing Instant closure on reverse flow check valves with total shutoff at only 10 oz of back pressure Brass construction provides long service life Cycle tested over 100