From the notice

This Request for Proposal (RFP) is for a Firm-Fixed Price Indefinite Indefinite Delivery/Indefinite Quantity (ID/IQ) contract, Long-Term Contract (LTC), consisting of one three (3) year base period with two (2) option years. This acquisition is for the procurement of Chelton Boxes for Vehicle Intercom System (VIS) AN/VIC. The items listed below are the subject of this solicitation and are expected to be acquired under this procurement action. NSN: 5895-01-382-3209 Part Number: A3205748 Nomenclature: CONTROL, INTERCOMMUNICATION Best Estimated Quantity (BEQ): Year 1: 500 Year 2: 29 Year3: 30 Option Year1: 35 Option Year 2: 38 NSN: 5830-01-382-3218 Part Number: A3205746 Nomenclature: CONTROL, INTERCOMMUNICATION Best Estimated Quantity (BEQ): Year 1: 680 Year 2: 25 Year 3: 25 Option Year 1: 25 Option Year 2: 25 NSN: 5895-01-382-3221 Part Number: A3205749 Nomenclature: INTERFACE UNIT, COMMUNICATION EQUIPTMENT Best Estimated Quantity (BEQ): Year 1: 1 Year 2: 1 Year 3: 10 Option Year 1: 10 Option Year 2: 10 NSN: 5895-01-382-3220 Part Number: A3205749 Nomenclature: GENERATOR SET, DIESEL ENGINE