Solicitation - Submarine High Data Rate (SubHDR) LN-100 Mast Motion Sensor (MMS) Repair, Restoration and Replacement Services

The Naval Undersea Warfare Center Division Newport is procuring depot-level repair, restoration, and replacement services for the Submarine High Data Rate (SubHDR) Mast Motion Sensor (MMS) system through an indefinite delivery/indefinite-quantity (IDIQ) contract. Services include incoming evaluation, standard and overhaul repairs, calibration, manufacture of Shop Replaceable Units (SRUs), and non-recurring engineering support to sustain operational capability for the Fleet's complex mast systems. The contract combines Cost-Plus-Fixed-Fee, Firm-Fixed-Price, and Cost Reimbursement pricing structures across eight contract line items. Key requirements include submission of detailed cost proposals with full substantiation of labor rates, overhead, and escalation factors; demonstration of at least five percent small business subcontracting participation; compliance with CMMC Level 2 cybersecurity standards; and adherence to specified technical data specifications including the MMS Acceptance Test Procedure. Performance will be evaluated based on organizational conflict of interest mitigation, Government Furnished Property management compliance, and comprehensive cost proposal documentation. The proposal deadline is May 20, 2026, at 2:00 PM local time, with questions due within fifteen days of solicitation issuance to the Contracting Officer.

This solicitation is not subject to any set-aside designations and represents a sole-source award to Northrop Grumman Systems Corporation, the incumbent contractor on the preceding contract N66604-21-D-B000. The guaranteed minimum contract obligation is $5,000.00 to satisfy initial firm fixed price task orders, with the contract ceiling for Other Direct Costs capped at $1,000,000 and an estimated 37,250 non-recurring engineering hours budgeted across the contract period. The IDIQ contract runs for five years, from December 31, 2026, through December 30, 2031, divided into five ordering periods. Work will be performed at the contractor's facility with all deliveries made to Naval Station Newport, 47 Chandler Street, Newport, Rhode Island 02841. The NAICS code is 334511 with a small business size standard of 1,350 employees, and the contract falls under PSC Category J020 for maintenance and repair of ship and marine equipment.