General Information
![](https://navalnuclearlab.energy.gov/nnl-assets/2020/11/General_Information_01@2x.jpg)
Hours of Operation For Suppliers
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Monday through Thursday
7:00 A.M. to 12:00 P.M. and 12:30 P.M. to 3:00 P.M.
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Friday
7:00 A.M. to 12:00 P.M. and 12:30 P.M. to 2:00 P.M.
Please note that the Naval Nuclear Laboratory is closed on established holidays, and on the Friday after Thanksgiving.