1B234 Category 1B
High explosive containment vessels, chambers, containers, and other similar containment devices, not enumerated in ECCN 1B608 or in USML Category IV or V of the ITAR, designed for the testing of high explosives or explosive devices and having both of the characteristics described in this ECCN (see List of Items Controlled).
Category 1: Special Materials and Related Equipment, Chemicals, “Microorganisms,” and “Toxins”
Reasons for control
- NP: Nuclear nonproliferation
- AT: Anti-terrorism
Country chart
List-based license exceptions
Items
- Items: a. Designed to fully contain an explosion equivalent to 2 kg of TNT or greater; and
- b. Having design elements or features enabling real time or delayed transfer of diagnostic or measurement information.
Related controls
(1) Devices “specially designed” for the handling, control, activation, monitoring, detection, protection, discharge, or detonation of the articles enumerated in USML Category IV(a) and (b) are controlled by USML Category IV(c) of the ITAR (see 22 CFR parts 120 through 130). (2) See USML Category V of the ITAR (22 CFR parts 120 through 130) for devices identified therein that are “specially designed” to fully contain explosives enumerated in USML Category V. (3) Also see ECCN 1B608 for “equipment” “specially designed” for the “development,” “production,” repair, overhaul, or refurbishing of items controlled by ECCN 1C608 or USML Category V and not elsewhere specified on the USML.
Source: eCFR, version
2026-08-01, retrieved
2026-08-20T04:04:59+00:00.