This is a combined synopsis/solicitation for commercial items, specifically for the purchase of three items with an option for five more within 365 days. The requirement is unrestricted and anticipates a firm-fixed price award. Offerors must use specific attachments depending on whether they have passed a Form, Fit, Function test, with first article testing required for those who have not. All parts must be new and a Certificate of Conformance is required. Detailed requirements, including delivery schedules, are in the attached documents.