This solicitation closed on September 23, 2026
View current Department of Defense opportunities →Submarine Cabinet Sound Dampening Alternative
AI Overview
The Navy seeks a sound dampening material to replace aging lead septum foam in submarine electronic cabinets, requiring equivalent noise performance, 40+ year lifespan, and faster installation/replacement methods to minimize equipment downtime on COLUMBIA-class vessels.
This summary is AI-generated from the official solicitation.
Key Details
Official Description
As part of the production of electronic cabinets and consoles, noise mitigation products are installed prior to the installation of the electronic components and cabling. The noise mitigation material of choice for decades has been lead septum foam. Reference 1 is the baseline 53711-3203197 lead septum product. This material is installed with a Pressure Sensitive Adhesive (PSA) backing or adhesive to the inner walls of the enclosures. Depending on the complexity of the electronics assembly, in m...
Change History
Informational change · Status
Submarine Cabinet Sound Dampening Alternative
Status changed from status: Open to status: Closed.
Submarine Cabinet Sound Dampening Alternative
Added 2 new Q&As: Q1 expands with detailed technical specifications (attenuation ranges, foam replacement scope, submarine band materials, coating application methods, VOC/flash point requirements, new construction vs. retrofit/MRO context). Q2 requests access to Lead Septum Source Control Drawing 53711-3203197.
Submarine Cabinet Sound Dampening Alternative
Status changed from Pre-Release to Open
Submarine Cabinet Sound Dampening Alternative
This Q&A clarifies that applicants can request authorized access to restricted technical drawings (like drawing 53711-3203197) and supporting data for this submarine-related topic, though the specific authorization procedure and point of contact should be obtained directly from the program office.
Submarine Cabinet Sound Dampening Alternative
New opportunity: Submarine Cabinet Sound Dampening Alternative
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