Sunday, 1 November 2026
Standing Office 81 (SOVNPA 81) emblem Viet Nam NVietnam National Presiding Agency
on Countering the Proliferation of Weapons of Mass Destruction
Standing Office 81

6.A.2.Firing sets and equivalent high-current pulse generators, as follows:

List
NSG – Nuclear-related dual-use equipment, materials, software and related technology (Part 2) – INFCIRC/254/Rev.13/Part 2
a. Detonator firing sets (initiation systems, firesets), including electronically-charged, explosively-driven and optically-driven firing sets designed to drive multiple controlled detonators specified by Item 6.A.1. above;
b. Modular electrical pulse generators (pulsers) having all of the following characteristics:
1. Designed for portable, mobile, or ruggedised-use;
2. Capable of delivering their energy in less than 15 µs into loads of less than 40 Ω;
3. Having an output greater than 100 A;
4. No dimension greater than 30 cm;
5. Weight less than 30 kg ; and
6. Specified to operate over an extended temperature range of 223 to 373 K (-50 to 100 ºC) or specified as suitable for aerospace applications.
6-1
NSG Part 2 Guidelines – INFCIRC/254/Rev.13/Part 2
c. Micro-firing units having all of the following characteristics:
1. No dimension greater than 35 mm;
2. Voltage rating of equal to or greater than 1 kV; and
3. Capacitance of equal to or greater than 100 nF.
Note: Optically driven firing sets include both those employing laser initiation and laser charging. Explosively-driven firing sets include both explosive ferroelectric and explosive ferromagnetic firing set types. Item 6.A.2.b. includes xenon flashlamp drivers.