COOLER,FLUID,INDUST
DEPT OF DEFENSE.DEPT OF THE NAVY.NAVSUP.NAVSUP WEAPON SYSTEMS SUPPORT.NAVSUP WSS MECHANICSBURG.NAVSUP WEAPON SYSTEMS SUPPORT MECH · Response deadline: Mon, 23 Nov 2026
What the government is buying
The U.S. Navy is soliciting bids for industrial fluid coolers. This equipment falls under Federal Supply Classification (FSC) 4420, which covers heat exchangers and associated cooling equipment used in mechanical and industrial applications. Fluid coolers are essential components in naval weapon systems and support equipment, helping regulate temperatures for machinery, electronics, and propulsion systems to ensure reliable operation under demanding conditions.
NAICS 332410 designates this as "Power Boiler and Heat Exchanger Manufacturing." Firms in this industry fabricate steam boilers, pressure vessels, and heat transfer equipment for industrial and defense applications. For Navy contracts, this typically involves equipment built to stringent military specifications for corrosion resistance, shock tolerance, and extended service life in maritime environments.
No set-aside program applies to this procurement, meaning it is unrestricted and open to all responsible sources regardless of business size or socioeconomic status.
Key facts
| Attribute | Value |
|---|---|
| Agency | Department of the Navy, NAVSUP Weapon Systems Support, Mechanicsburg |
| Notice type | Solicitation |
| Solicitation number | N0010427QNA28 |
| NAICS | 332410 |
| Set-aside | None (unrestricted) |
| Response deadline | November 23, 2026, 4:30 PM ET |
| Place of performance | See the solicitation |
Who can bid
This unrestricted solicitation is open to all qualified businesses—large and small—that meet the Navy's requirements for manufacturing industrial fluid coolers. Bidders should have demonstrated capability in:
- NAICS 332410 production: Fabrication of heat exchangers, radiators, or comparable thermal management equipment to military or heavy-industrial standards
- Defense contracting compliance: Familiarity with MIL-SPEC requirements, Defense Priorities and Allocations System (DPAS) ratings if applicable, and Navy procurement regulations
- Quality systems: Typically ISO 9001 or AS9100 certification, plus potential need for welding certifications (AWS, NAVSEA) and NDT inspection capabilities
Small businesses may compete alongside large defense contractors. Given the unrestricted nature, size status offers no preference, but small firms with specialized heat transfer expertise and established Navy supplier relationships can remain competitive on technical merit and value.
How to put together a competitive bid
Establish technical compliance first. See the solicitation for precise performance specifications—cooling capacity, fluid types, operating pressures and temperatures, materials of construction, and physical envelope constraints. Navy fluid coolers often require specific alloys for seawater compatibility, brazed construction techniques, and modular designs for shipboard maintenance.
Address qualification requirements. Check whether the solicitation mandates prior Navy or marine equipment experience, approved manufacturing sources, or specific quality certifications. If first article testing or source inspection is required, build lead time and costs into your proposal.
Price strategically for unrestricted competition. Without set-aside protections, your bid competes directly with established defense suppliers. Evaluate whether teaming with a larger prime or submitting as a subcontractor better serves your business if direct bidding proves impractical.
Review delivery and packaging requirements. Naval equipment typically demands special preservation, shock-resistant packaging, and marking per MIL-STD-129. Clarify whether delivery is to Mechanicsburg, Pennsylvania, a fleet concentration area, or direct to an overhaul facility—see the solicitation for the official place of performance.
Submit through proper channels. Ensure registration in SAM.gov is active, and submit via the designated electronic portal well before the deadline to resolve any technical issues.
Next steps
Read the complete solicitation on SAM.gov using solicitation number N0010427QNA28. The full document contains essential details including exact specifications, deliverables, evaluation criteria, and any amendments issued since posting.
Critical deadline: Responses must be submitted by November 23, 2026, at 4:30 PM Eastern Time. Allow adequate time for internal review, pricing validation, and system submission—late proposals are ordinarily ineligible for award.
View the official notice on SAM.gov →