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.

NPT & NPS Thread Guide - RYCO Hydraulics

Standard Pipe Taps - MSC Industrial Supply

Getting to Leakproof with NPT & NPTF Threads: What Matters

Understanding NPT and Other Pipe Thread Types

Psc Pneumatic Flow Control Valve One Throttle Valve - China Flow Control Valve, Pneumatic Valve

General Purpose • Straight Pipe Taps • HSS NPS and NPSF Straight-Pipe Taps

Thread Terms Explained - Machining Doctor

NPS Straight Pipe Taps

Precision Fittings for Industrial Manufacturing