4A001 Category 4A
Electronic computers and related equipment, having any of the following (see List of Items Controlled), and “electronic assemblies” and “specially designed” “components” therefor.
Category 4: Computers
Reasons for control
- NS: National security
- MT: Missile technology
- AT: Anti-terrorism
- NP: Nuclear nonproliferation
Country chart
| Control | Column |
|---|---|
| AT applies to entire entry | AT 1 |
| MT applies to items in 4A001.a when the parameters in 4A101 are met or exceeded | MT 1 |
| NP applies, unless a License Exception is available. See § 742.3(b) of the EAR for information on applicable licensing review policies | None |
| NS applies to entire entry | NS 2 |
List-based license exceptions
Items
- a. “Specially designed” to have any of the following:
- a.1. [Reserved]
- a.2. Radiation hardened to exceed any of the following specifications:
- a.2.a. A total dose of 5 × 10 3 Gy (Si);
- a.2.b. A dose rate upset of 5 × 10 6 Gy (Si)/s; or
- a.2.c. Single Event Upset of 1 × 10− 8 Error/bit/day;
- b. [Reserved]
Related controls
(1) See also 4A101 and 4A994. Equipment designed or rated for transient ionizing radiation is “subject to the ITAR” (see 22 CFR parts 120 through 130). (2) The act of incorporating a radiation hardened integrated circuit into a computer that is specified under ECCN 4A994 or designated as EAR99 does not, in and of itself, cause the computer to meet the parameters of ECCN paragraph 4A001.a.2.
Notes
Note: 4A001.a.2 does not apply to computers “specially designed” for “civil aircraft” applications.
Source: eCFR, version
2026-08-01, retrieved
2026-08-20T04:04:59+00:00.