Open federal opportunities

BIG BLUE MACHALTS

DEPT OF DEFENSE.DEPT OF THE NAVY.NAVSEA.NAVSEA WARFARE CENTER.NSWC PHILADELPHIA DIV · Response deadline: Thu, 12 Nov 2026

What the government is buying

NAVSEA's Naval Surface Warfare Center Philadelphia Division is soliciting for items described as "BIG BLUE MACHALTS." The work falls under NAICS 336611 — Ship Building and Repairing. This code covers establishments primarily engaged in ship construction, repair, conversion, and alteration. NSWCPD, as the lead technical authority for naval logistics and in-service engineering, typically procures components, systems, and services that support surface ship and submarine readiness.

Given the NSN classification code R425 and the terminology used, this appears to involve shipboard machinery or propulsion-related equipment. The term "MACHALTS" suggests machinery alternations or modifications — common in naval ship repair and modernization contracts.

Key facts

Who can bid

This is a full and open competition with no set-aside designation, meaning all responsible sources — including small businesses of any size, large businesses, and entities without small business certifications — may submit offers.

For NAICS 336611, the Small Business Administration size standard is typically 1,300 employees. If you are a small business, you may still compete and should highlight any small business advantages in your proposal, though this solicitation does not restrict competition to small businesses specifically.

Given the technical nature of ship machinery work, the government will likely evaluate offerors on technical capability, past performance on similar naval equipment, and price. Experience with NAVSEA contracting procedures, MILSPEC compliance, and shipboard installation requirements will be relevant qualifications.

How to put together a competitive bid

Establish technical competence. NSWCPD procurements for ship machinery require demonstrated understanding of naval engineering standards. Document any prior experience with machinery alterations, propulsion systems, or ship repair contracts. Include relevant Navy or Coast Guard contract history.

Address quality assurance. NAVSEA contracts typically require robust quality programs. Detail your inspection procedures, material traceability, and testing capabilities. If you hold ISO 9001 or similar certifications, feature these prominently.

Understand the contracting environment. NAVSEA uses the Navy Electronic Commerce Online (NECO) system for many procurements. Ensure your SAM.gov registration is active and that you are registered in appropriate government databases. Review DFARS and NMCARS clauses that will apply to this contract.

Analyze pricing carefully. Without set-aside restrictions, you may face competition from large defense contractors with established NAVSEA relationships. Build cost realism into your proposal while identifying any potential efficiencies or alternative approaches.

Verify supply chain readiness. Ship machinery often involves long-lead components or specialized materials. If the solicitation involves manufacturing or repair, demonstrate your ability to source materials and meet delivery requirements.

Consider subcontracting. Small businesses without direct NAVSEA experience may strengthen proposals through teaming arrangements with established naval contractors. If you pursue this, clearly define roles and responsibilities.

Next steps

Access the full solicitation at SAM.gov using solicitation number N6449827Q5002. The complete package will specify quantities, detailed technical requirements, deliverables, and all applicable contract clauses. Note that responses are due November 12, 2026, at 4:00 PM Eastern Time — late submissions will not be considered. See the solicitation for place of performance, contract duration, and evaluation criteria.

View the official notice on SAM.gov →