This procurement is for 61 units of a source-controlled relay (NSN 5945011968502), with delivery required within 498 days to DLA Distribution Depot Oklahoma. The item must meet the requirements of a specific drawing, and the only approved source is 58657 EP-435. The solicitation is an RFQ available electronically, and quotes must be submitted electronically. All responsible sources may submit a quote for consideration. No budget amount is specified.