NPSC, Staright Pipe Thread - Machining Doctor

NPSC Internal Straight (parallel) Pipe Threads are used to manufacture pressure-tight fittings when assembled with an NPT external taper thread.
Simple explnation for: Pitch Diameter, Major Diameter, Minor Diameter, pitch, lead, lead angle, Length of Engagement, crest, root, thread height, over-wire, and allowance.

How to identify National Pipe Taper ( NPT ) and National Pipe Straight ( NPS ) pipe threads.

China Hydraulic Fluid Power Connection Winner NPSM Connectors / Adapters Manufacturer and Exporter

3 threading by houliaras-tools - Issuu

1/8 - 27 HSS NPS Straight Pipe Tap : : Tools & Home Improvement

Understanding NPT and Other Pipe Thread Types

Understanding NPT and Other Pipe Thread Types

Taper Pipe Thread Inspection, NPT

Getting to Leakproof with NPT & NPTF Threads: What Matters

EW10LMED, EW10LMEDCF, Parker Ermeto, Assembled adjustable swivel elbow - EO 24° cone end / Male metric thread - ED-seal (ISO 9974)