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1-3/4" Couplings

  • 1-3/4" Aluminum Coupling Set 1-3/4" Aluminum Coupling Set

    1-3/4" Aluminum Coupling Set

    Aluminum couplings made hard-coated heavy-duty, lightweight of 6061-T6 high strength aluminum alloy. NH (National Hose or National Standard Thread) used primarily by the fire industry NPSH & NPT (National Pipe Straight Hose & National Pipe...

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