This procurement is for NSN 2990015274972, a mass air flow sensor, with a quantity of one unit for each of four line items. Delivery is required within 20 days after order (ADO) to the USS SAMPSON DDG 102, USS DANIEL INOUYE DDG 118, USS GRAVELY DDG 107, and USS KIDD DDG 100. Approved sources are specified, and the solicitation is an RFQ available via the provided link. Hard copies, specifications, plans, and drawings are not available; quotes must be submitted electronically. All responsible sources may submit a quote for consideration.