The Naval Surface Warfare Center Indian Head Division in Maryland is seeking quotes for a firm-fixed-price purchase order to supply Hexanitrostilbene (HNS) under a brand-name mandatory requirement. The contract will be awarded on a Lowest Price Technically Acceptable basis, with evaluation based on technical compliance and total price including shipping. Questions must be submitted by June 30, 2026, with answers provided by July 7, 2026. The applicable NAICS code is 325180, with a small business size standard of 1,000 or fewer employees. Performance will occur at the Indian Head, Maryland location.