48--VALVE,BALL

Amendment / Modification

• The hour and date specified for receipt of offers has been extended.

• The original solicitation close date was 2026 APR 18.

• The new deadline for receipt of offers is 4:30 PM Local Time on 2026 JUN 11.

• Drawings should now be uploaded to SAM.gov.

• Item 9A (Amendment of Solicitation No.) and Item 11 (This item only applies to amendments of solicitations) are relevant to this amendment.

• The "NOTE" section on page 2 explicitly states the purpose of the amendment.

• The proposal submission deadline has been extended to 2026 JUN 11.

Solicitation / RFP / RFQ

This solicitation is for the procurement of a 3-inch, 700 PSI Full Port Hull and Backup Ball Valve Assembly. The material is designated as SPECIAL EMPHASIS material due to its critical role in shipboard systems, where failure could lead to serious personnel injury, loss of life, or damage to vital shipboard systems or the ship itself.

• The valve assembly must be manufactured in accordance with NAVSEA drawing 7108467, Assembly IRA, and all associated drawings and Engineering Referrals.

• All actuator-associated parts must be supplied in a bag attached to the valve.

• Bolt holes on mounting flanges and dowel pin holes for actuator locating must not be drilled.

• Specific epoxy repair instructions for shims are detailed, including sandblasting procedures and surface finish requirements.

• Material certifications are required for various parts, including quantitative chemical and mechanical analysis for metallic components and applicable test reports for non-metallic components.

• Specific testing and certification requirements are outlined for various tests, including visual inspection, weldability, liquid penetrant inspection, and dye penetrant inspection.

• Pressure tests and quality conformance tests have specific tolerance and time requirements.

• Special requirements for fasteners, including heat treatment and wedge tensile testing, are detailed.

• Teflon coating requirements are specified.

• Surface waviness for sealing areas must not exceed 0.0005 inches per inch of spherical surface.

• Seat stack height measurements must be within tolerance.

• K-MONEL fasteners must meet specific mechanical properties and heat treatment requirements.

• Welding is not permitted on alloy C90300 material.

• Traceability and certification requirements are extensive, covering metallic and non-metallic materials, including unique traceability markings, heat/lot numbers, and certification data reports.

• Hazardous material identification and Material Safety Data Sheets are required for any hazardous material delivered.

• Packaging and marking must comply with MIL-STD-2073 and MIL-STD-129.

• Unique Item Identification and Valuation (UII) is required per DFARS 252.211-7003.

• The contract type is a Negotiated RFP.

• The period of performance is not explicitly stated but implies a delivery schedule of 540 days from award.

• The solicitation is set aside for Small Businesses.

• The contract will be DO certified for national defense under the Defense Priorities and Allocations System (DPAS).

• Proposals are due by 04:30 PM local time on June 2, 2026.

• Past performance will be considered in the evaluation of offers.

• The solicitation includes provisions for electronic submission of proposals.

• This procurement is set-aside for Small Businesses.

• The resultant award will be issued bilaterally, requiring the contractor's written acceptance prior to execution.

• Contractual documents are considered "issued" when deposited in the mail, transmitted by facsimile, or sent by other electronic commerce methods.

• NAVSUP WSS will be considering past performance in the evaluation of offers.

• Data Item A001 (Inspection and Test Plan) may be waived if already on file at NAVSUP WSS Mechanicsburg.