💼 Cabin bag
No
Prohibited. Flammable aerosol.
✈️ Hold (checked)
No
Prohibited in checked baggage.
💡 Tip: WD-40 is a flammable aerosol and prohibited in carry-on and checked baggage. Do not attempt to bring it — it will be confiscated.
Related items
Browse all Dangerous goods →Based on official TSA guidelines. Rules vary by airline and route — always verify with your carrier before travel. · Rules last verified May 2026.
Report incorrect rule
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