How to bid on Shaft, ISS, Repair/Modification for the Department of the Navy

What the Navy is buying and why it matters

The Department of the Navy, specifically NAVSUP Weapon Systems Support (WSS) Philadelphia, is looking for a vendor to repair or modify one specific shaft (NSN 7R-3040-016711418-H5, part number 06371-03801-101). This shaft is for a weapon system.

This is an opportunity for firms that specialize in the repair or modification of complex equipment, particularly those with experience related to weapon system components. The government expects to award to Sikorsky Aircraft Corporation as they are the approved source and the government lacks the technical data for competition. However, other qualified firms can still submit their information.

Key dates and what happens at the deadline

This Request for Information (RFI) was published on August 14, 2026. The deadline for submitting your capabilities, proposals, or quotations is September 28, 2026, at 12:00 AM ET. Any submissions received within 45 days of the synopsis will be considered.

After the deadline, the agency will review all submissions to determine if a competitive procurement is feasible. The anticipated award date for this contract is November 2026.

Who this opportunity suits

This opportunity is best suited for firms with expertise in the repair and modification of specialized shafts, particularly those used in weapon systems. The approved source is Sikorsky Aircraft Corporation, so firms with existing approvals for this material or similar complex parts will find this most relevant.

The relevant NAICS code is 333613 (Measuring, Dispensing, and Other Pumping Equipment Manufacturing) and the PSC is 3040 (Miscellaneous Power Transmission Equipment). This procurement is not set aside for small businesses.

How to respond to this RFI

To access the original source, click the 'View original source' link. If you land on the portal's homepage, click the link again to go directly to the bid. You may need a free account to view documents, though this is not always required.

Interested organizations should submit their capabilities and qualifications to perform this effort via email to [email protected]. If your firm is not an approved source, you must submit a Source Approval Request (SAR). However, the procurement will not be delayed for SAR approval.

Practical tips for a competitive response

When preparing your response, clearly demonstrate your firm's experience with similar repair or modification projects, especially those involving critical components or weapon systems. Highlight any certifications, specialized equipment, or unique capabilities that make your firm a strong candidate.

If you are not an approved source, ensure your Source Approval Request (SAR) is comprehensive and clearly outlines your ability to meet the technical requirements. Even though the procurement will not wait for SAR approval, a well-prepared SAR shows your commitment and capability.

Focus on providing concrete examples of past performance that directly relate to the scope of work described. Since the government lacks technical data, emphasize your firm's ability to work with limited information or to reverse-engineer solutions if applicable, while adhering to strict quality and safety standards.