This is a sole-source procurement for 57 each of a critical safety item (NSN 0R-2840-016666867-B8), with delivery FOB origin. Only newly manufactured items from government-approved sources are acceptable; offers from unapproved sources will be deemed technically ineligible, and an alternate source must complete government approval before award. The acquisition is being made under emergency acquisition flexibilities, and the government intends to solicit and negotiate with only one source, though all responsible sources may submit proposals or capability statements. Proposals submitted within 45 days of the synopsis publication will be considered (or 30 days if an existing Basic Ordering Agreement applies). No budget amount or performance location is specified.