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  1. NPSF Couplings | McMaster-Carr

    Choose from our selection of NPSF couplings, including metal pipe and pipe fittings, shaft collars and couplings, and more. Same and Next Day Delivery.

  2. NPSF Connectors | McMaster-Carr

    Choose from our selection of NPSF connectors, including over 100,700 products in a wide range of styles and sizes. Same and Next Day Delivery.

  3. NPSF Plugs | McMaster-Carr

    Choose from our selection of NPSF plugs, including over 24,500 products in a wide range of styles and sizes. Same and Next Day Delivery.

  4. Nominal Pipe Size Fuel (NPSF) Taps | McMaster-Carr

    Choose from our selection of nominal pipe size fuel (NPSF) taps, including pipe and conduit thread taps, tap and die sets, and more. Same and Next Day Delivery.

  5. NPSF Nipples | McMaster-Carr

    Choose from our selection of NPSF nipples, including stainless steel pipe and pipe fittings, plastic pipe and pipe fittings, and more. Same and Next Day Delivery.

  6. NPSF Hose Fittings | McMaster-Carr

    Choose from our selection of NPSF hose fittings, including hose fittings, tubing and tube fittings, and more. Same and Next Day Delivery.

  7. NPSM Adapters | McMaster-Carr

    Choose from our selection of NPSM adapters, including metal pipe and pipe fittings, tube fittings for metal tubing, and more. Same and Next Day Delivery.

  8. Snap Tite H Series Couplings | McMaster-Carr

    Choose from our selection of snap tite H series couplings, including over 90 products in a wide range of styles and sizes. Same and Next Day Delivery.

  9. Pressure Test Plugs | McMaster-Carr

    Choose from our selection of expansion plugs, pressure test fittings, and more. Same and Next Day Delivery.

  10. Grease Gun Fittings | McMaster-Carr

    Choose from our selection of grease gun fittings, including grease-dispensing tips, grease-dispensing tip adapters, and more. Same and Next Day Delivery.