English abbreviations from nst to nswccss
- NST((UK) Nimrod Software Team)
- NSTA(National Science Teachers Association)
- NSTAC(National Security Telecommunications Advisory Committee)
- NSTC(Naval Service Training Command)
- NSTD(Non-System Training Devices)
- NSTDR(Non-System Training Device Requirement)
- NSTE(Non-Student Temporary Employee)
- NSTF(Nova Scotia Trails Federation)
- NSTISS(National Security Telecommunications and Information Systems Security)
- NSTISSAM(National Security Telecommunications and Information Systems Security Advisory Memorandum)
- NSTL(National Software Testing Laboratories)
- NSTP(National Service Training Program)
- NSTS(National Secure Telephone System)
- NSTUD(National System Tactical User Device)
- NSU(National Support Unit)
- NSUI(National Student Union of India)
- NSUR(Non-Hardened Small Unit Radio)
- NSV(Nikitin-Sokolov-Volkov heavy machine gun (Russian НСВ Никитина-Соколова-Волкова) ru:ПулеметНСВ-12,7 "Утес")
- NSW(New South Wales (postal symbol))
- NSWC(Naval Surface Warfare Center)
- NSWCCSS(Naval Surface Warfare Center Coastal Systems Station)