3" NPT Female x 5" NH (NST) Male Adapter Aluminum FM25F20T CALIFORNIA Industrial Fire 1 NPT
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Description
3" NPT Female x 5" NH (NST) Male Adapter Aluminum FM25F20T CALIFORNIA Industrial Fire 1 NPT CALIFORNIA this is the best bang for your buck If the two ends of a coupling are different (e Industrial Standards – International ASTM B221