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Measuring Your NPTF/NPSM Fittings
Female NPTF Measurements
To ensure the correct identification/measurement for female NPTF threads, ensure that you are measuring the inner diameter (I.D.) of the fitting.
Male NPTF Measurements
To ensure the correct identification/measurement for male NPTF threads, ensure that you are measuring the outer diameter (O.D.) of the fitting.
Female NPSM Measurements
To ensure the correct identification/measurement for female NPSM threads, ensure that you are measuring the inner diameter (I.D.) of the fitting.
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DiscountHydraulicHose has been providing fittings and adapters for over 50 years. From humble beginnings, we have worked hard to gain the trust and confidence of our customers. Whether you're a weekend warrior, contractor, or shop owner, we'll help you tackle your job with the utmost professionalism and service. Today, we stock tens of thousands of parts ready to ship. We are your go-to source for fittings, adapters, hydraulic hoses, tools, and other accessories.