Miltonâ??s hydraulic national pipe thread (NPT) industrial hose fittings are a cost-effective line of permanent crimp-style (one piece) hydraulic fittings. An NPT pipe thread is your classic tapered thread fitting that is used widely in hydraulic and pneumatic systems. It is recommended to use Teflon tape or pipe thread sealant to prevent leakage with any pipe thread fitting. The taper on NPT threads allows them to form a seal when torqued as the flanks of the threads compress against each other, as opposed to parallel/straight thread fittings, or compression fittings in which the threads merely hold the pieces together and do not provide the seal. All our NPT fittings are SAE J516 complia
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For low/medium pressure settings
Typically requires use of pipe sealant
Zinc coated for corrosion resistance