Many employers replace all employees' caps every five years, regardless of outward appearance. If the user environment is known to include higher exposure to temperature extremes, sunlight or chemicals, hard hats should be replaced routinely after two years of use.

Do hard hats have an expiration date?

MSA hard hat shells should be used no longer than 5 years, while suspensions should be replaced after 12 months. Both are the maximum time frame for replacement, calculated from date of first use. The date of manufacture is stamped or molded onto the hard hat shell, usually on the underside of the brim.

How long do hard hats last OSHA?

An OSHA hard hat expiration date does not exist, but manufacturers may set a specific date for expiration. Most replace their hard hats every 5 years. They replace the support strap annually.