Choose from our selection of NPSM pipe fittings, including metal pipe and pipe fittings, plastic pipe and pipe fittings, and more. Same and Next Day Delivery.

NPSM (National Pipe Straight Mechanical) female threads are compatible with male NPT and NPTF threads. For technical drawings and 3-D models, click on a part number. Straight Adapters (Swivels Until Tightened), NPSM Female Hose × NPT/NPTF Female Hose

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.

Choose from our selection of nominal pipe size (NPS) taps, including pipe and conduit thread taps, tap and die sets, and more.

Use gauges with NPSM and BSPP threads in pairs for go/no-go tests. Go gauges check the maximum external thread size, and no-go gauges check the minimum. If the threads you’re testing thread into the go gauge but not the no-go gauge, they’re within tolerance. For technical drawings and 3-D models, click on a part number.

NPSM (National Pipe Straight Mechanical) female threads are compatible with male NPT and NPTF threads. For technical drawings and 3-D models, click on a part number. 90° Elbow Adapters (Swivels Until Tightened), NPSM Female Hose × NPT/NPTF Female Hose

Choose from our selection of NPSM nipples, including stainless steel pipe and pipe fittings, plastic pipe and pipe fittings, and more.

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

NPSM (National Pipe Straight Mechanical) female threads are compatible with male NPT and NPTF (Dryseal) threads. For technical drawings and 3-D models, click on a part number. Straight Adapters (Swivels Until Tightened), Hose × Female Threaded Pipe

Choose from our selection of NPSM threaded rods, including high-strength steel threaded rods, medium-strength steel threaded rods, and more.