Inner and Outer Rings Nuclear; Portsmouth Naval Ship Request for Proposal

SOL #: N390406036V100Solicitation

Overview

Buyer

Dept Of Defense
Dept Of The Navy
PORTSMOUTH NAVAL SHIPYARD GF
PORTSMOUTH, NH, 03801-5000, United States

Place of Performance

Kittery, ME

NAICS

Machine Shops (332710)

PSC

Miscellaneous Welding, Soldering, And Brazing Supplies And Accessories (3439)

Set Aside

Total Small Business Set-Aside (FAR 19.5) (SBA)

Timeline

1
Posted
Apr 29, 2026
2
Last Updated
Apr 29, 2026
3
Submission Deadline
May 13, 2026, 12:00 PM

Qualification Details

Fit reasons
  • NAICS alignment with historical contract wins in similar service areas.
  • Scope strongly matches core technical capabilities and delivery model.
Risks
  • Past performance thresholds may require one additional teaming partner.
  • Potential clarification needed on staffing minimums before bid/no-bid.
Next steps

Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.

Quick Summary

The Department of the Navy / Portsmouth Naval Shipyard is soliciting proposals for the manufacturing and delivery of Inner and Outer Rings (Weld Mockups) for nuclear applications. This is a Total Small Business Set-Aside issued as a Request for Quotation (RFQ). The acquisition falls under NAICS 332710 (Machine Shops) with a 750-employee size standard. Proposals are due May 13, 2026.

Scope of Work

This opportunity requires the manufacturing of:

  • 30 Inner Rings: To be produced in accordance with Drawing 2370A0000353, REV ORIG, and marked with "RF-3086 LIN 0001". Material specified as Alloy 600 (N06600), Condition A, MIL-N-23229 Type II or III, or equivalent ASTM standards.
  • 30 Outer Rings: To be produced in accordance with Drawing 2370A0000354, REV ORIG, and marked with "RF 3086 LIN 0002". Material specified as Alloy 600 (N06600), Condition A, MIL-N-23229 Type II or III, or equivalent ASTM standards. Both items require individual serialization and permanent marking. Freight costs must be included in CLIN 0001.

Contract & Timeline

  • Opportunity Type: Request for Quotation (RFQ)
  • Set-Aside: Total Small Business
  • NAICS: 332710 (Machine Shops), Size Standard: 750 employees
  • Required Delivery Date: January 1, 2027
  • Place of Performance: Portsmouth Naval Shipyard, Kittery, Maine, 03904
  • Proposal Due: May 13, 2026, at 08:00 AM ET
  • Published: April 29, 2026

Submission & Evaluation

Offers shall be emailed to Ina Nason at ina.nason.civ@us.navy.mil. Award will be made to the responsible vendor whose quote is most advantageous to the Government, based on a Lowest Price Technically Acceptable (LPTA) evaluation. Key factors include technical acceptability (meeting specifications and capabilities) and adherence to schedule. Vendors must be registered in SAM.gov.

Key Requirements for Bidders

  • Certification: Provide a Certificate of Compliance (COC) with each shipment for both Inner and Outer Rings, attesting full compliance with contract requirements. COCs must be submitted via WAWF.
  • Technical Compliance: Strict adherence to detailed technical drawings (2370A0000353 and 2370A0000354) for dimensions, materials (Alloy 600), manufacturing processes, surface finish, and marking.
  • Operations Security (OPSEC): Contractors must comply with stringent OPSEC requirements at Portsmouth Naval Shipyard, including protecting sensitive information, adhering to CUI policies, and restrictions on Portable Electronic Devices (PEDs).

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Versions

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