Before revision: MSL 6 – Mandatory bake before use MSL 5A – 24 hours MSL 5 – 48 hours MSL 4 – 72 hours MSL 3 – 168 hours MSL 2A – 4 weeks MSL 2 – 1 year MSL 1 – Unlimited Practical MSL-specified parts must be baked before assembly if their exposure has exceeded the rating.
After revision: floor lifeMSL 6 – Mandatory bake before use MSL 5A – 24 hours MSL 5 – 48 hours MSL 4 – 72 hours MSL 3 – 168 hours MSL 2A – 4 weeks MSL 2 – 1 year MSL 1 – Unlimited Practical MSL-specified parts must be baked before assembly if their exposure has exceeded the rating.