9A604 Category 9A

Commodities related to launch vehicles, missiles, and rockets (see List of Items Controlled).

Category 9: Aerospace and Propulsion

Reasons for control

• NS: National security
• RS: Regional stability
• MT: Missile technology
• AT: Anti-terrorism
• UN

Country chart

List-based license exceptions

Items

1. a. through b. [Reserved]
2. c. “Components” “specially designed” for ramjet, scramjet, pulse jet, or combined cycle engines described in USML Category IV, including devices to regulate combustion in such commodities.
3. d. “Components” “specially designed” for hybrid rocket motors described in USML Category IV usable in rockets, missiles, or unmanned aerial vehicles capable of a range equal to or greater than 300 km.
4. e. “Components” “specially designed” for pressure gain combustion-based propulsion systems described in USML Category IV.
5. f. Composite structures, laminates and manufactures thereof “specially designed” for the following items described in USML Category IV:
6. f.1. Systems capable of a range equal to or greater than 300 km;
7. f.2. Individual rocket stages usable in 9A604.f.1. systems;
8. f.3. Solid propellant rocket motors or hybrid rocket motors having a total impulse capacity equal to or greater than 8.41 × 10 5 Ns; or
9. f.4. Liquid propellant rocket engines integrated, or designed or modified to be integrated, into a liquid propellant propulsion system which has a total impulse capacity equal to or greater than 8.41 × 10 5 Ns.
10. f.5. Thrust vector control systems usable in rockets, space launch vehicles (SLVs), and missiles capable of delivering at least a 500 kg payload to a range of at least 300 km.
11. f.6. Re-entry vehicles or warhead heat shields usable in rockets, SLVs, and missiles capable of delivering at least a 500 kg payload to a range of at least 300 km.
12. f.7. Safing, arming, fuzing, and firing components usable in rockets, SLVs, and missiles capable of delivering at least a 500 kg payload to a range of at least 300 km.
13. g. through w. [Reserved]
14. x. “Parts,” “components,” “accessories,” and “attachments” that are “specially designed” for a commodity subject to control in paragraphs .a through .d of this ECCN, or a defense article described in USML Category IV, and not specified elsewhere on the USML or in 9A604.y.
15. y. Specific “parts,” “components,” “accessories,” and “attachments” “specially designed” for a commodity subject to control in this entry, ECCN 9A604, or for a defense article in USML Category IV and not elsewhere specified on the USML or on the CCL, and other commodities, as follows, and “parts,” “components,” “accessories,” and “attachments” “specially designed” therefor:
16. y.1. “Parts” and minor “components” for landing leg assemblies; and
17. y.2. [RESERVED]

Related controls

(1) Launch vehicles, missiles, and rockets are subject to the ITAR (see USML Category IV). (2) See ECCN 0A919 for foreign-made “military commodities” that incorporate more than a de minimis amount of U.S.-origin “600 series” controlled content. (3) Thermal batteries for USML Category IV items are subject to the ITAR (see USML Category XIII).

Notes

Note to 9A604.x: “Parts,” “components,” “accessories,” and “attachments” specified in USML Category IV(h) are subject to the controls of that paragraph.

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.