SWITCH,PROXIMITY
DEPT OF DEFENSE.DEPT OF THE NAVY.NAVSUP.NAVSUP WEAPON SYSTEMS SUPPORT.NAVSUP WSS MECHANICSBURG.NAVSUP WEAPON SYSTEMS SUPPORT MECH · Response deadline: Fri, 30 Oct 2026
What the government is buying
The Department of the Navy, specifically NAVSUP Weapon Systems Support (Mechanicsburg), is soliciting bids for a proximity switch — an electrical component used to detect the presence of objects without physical contact. Proximity switches are commonly employed in military systems for position sensing, safety interlocks, and automated control applications aboard naval vessels and in weapons systems.
This requirement falls under NAICS 335313 (Switchgear and Switchboard Apparatus Manufacturing), which covers the production of switches, switchgear, and related electrical distribution equipment. The associated Federal Supply Classification code 5930 confirms this is an electronic/electrical switch component rather than a mechanical or optical type.
Given NAVSUP WSS's role as the Navy's primary provider of logistics and supply chain management for weapons systems, this part likely supports sustainment of existing naval platforms rather than new construction.
Key facts
| Attribute | Value |
|---|---|
| Agency | Department of the Navy — NAVSUP Weapon Systems Support, Mechanicsburg |
| Notice type | Solicitation |
| Solicitation number | N0010426QQB91 |
| NAICS | 335313 (Switchgear and Switchboard Apparatus Manufacturing) |
| Set-aside | None (full and open competition) |
| Response deadline | October 30, 2026 at 4:30 PM EDT |
| Place of performance | See the solicitation |
Who can bid
This is a full and open competition with no small business set-aside, meaning businesses of any size may submit offers. However, certain preferences may still apply:
- Small businesses certified under SBA size standards for NAICS 335313 should verify their status in SAM.gov
- Service-Disabled Veteran-Owned Small Businesses (SDVOSB) and other socioeconomically disadvantaged firms may receive evaluation preferences if this qualifies as a "rule of two" opportunity or if the contracting officer applies other federal preferences
- Non-traditional defense contractors and commercial item providers are encouraged to participate, as NAVSUP increasingly sources commercial-grade electrical components
Bidders must be registered in SAM.gov with active registration valid through contract award. Given the defense supply chain context, manufacturers should assess whether their proximity switches meet military specifications (MIL-SPEC) or if commercial equivalents are acceptable — see the solicitation for technical requirements.
How to put together a competitive bid
For electrical component solicitations from NAVSUP WSS, focus on these elements:
Technical compliance: Proximity switches vary significantly by sensing technology (inductive, capacitive, magnetic), operating voltage, environmental sealing, and temperature range. See the solicitation for exact specifications and any Qualified Products List (QPL) requirements.
Past performance: NAVSUP WSS emphasizes reliability and on-time delivery for sustainment parts. Document experience supplying similar components to DoD or industrial customers, including any ISO 9001 or AS9100 quality certifications.
Pricing strategy: Research DLA Standard Pricing for comparable NSNs if available. Long-term contract pricing should account for obsolescence risk — switches with specialized military configurations may require lifecycle commitment.
Packaging and marking: Defense supply chain requirements often include specific barcoding, RFID, and preservation standards. See the solicitation for DFARS clauses and packaging instructions.
Small business subcontracting: Large businesses must submit subcontracting plans; small businesses should highlight any participation.
Next steps
Read the full solicitation on SAM.gov using solicitation number N0010426QQB91 — the notice was posted October 16, 2026, and contains technical specifications, delivery requirements, and all applicable clauses
Verify your SAM registration is active and updated with current NAICS 335313
Note the deadline: Responses are due October 30, 2026 at 4:30 PM Eastern Time — allow time for system upload and confirmation
Contact the contracting office early with questions; NAVSUP WSS typically allows limited pre-submission inquiries
Assess facility security clearance needs if the full requirement involves classified specifications — though proximity switches are typically unclassified, see the solicitation for any security requirements
View the official notice on SAM.gov →