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SEAL,PLAIN

DEPT OF DEFENSE.DEPT OF THE NAVY.NAVSUP.NAVSUP WEAPON SYSTEMS SUPPORT.NAVSUP WSS MECHANICSBURG.NAVSUP WEAPON SYSTEMS SUPPORT MECH · Response deadline: Thu, 12 Nov 2026

What the government is buying

The Navy is soliciting offers for "SEAL,PLAIN"—a type of seal or gasket component. NAVSUP Weapon Systems Support Mechanicsburg, the buying activity, manages spare and repair parts for naval weapon systems. Seals in this category are typically ring-shaped mechanical components used to prevent fluid or pressure leakage between mating surfaces in engines, pumps, valves, or other equipment. These parts support shipboard and aviation maintenance, repair, and overhaul operations.

This falls under NAICS 339991, "Gasket, Packing, and Sealing Device Manufacturing," which covers the production of molded, lathe-cut, and other formed seals and gaskets from rubber, plastic, metal, and composite materials. The classification code 5330 in the Federal Supply Classification system corresponds specifically to packing and gasket materials, confirming this is a component-level parts procurement rather than a services contract.

Key facts

Who can bid

This is an unrestricted solicitation with no small-business set-aside, meaning large businesses, small businesses, and non-traditional government contractors may all compete. No HUBZone, SDVOSB, WOSB, or 8(a) preferences apply. To participate, you must be registered in SAM.gov and have an active Unique Entity Identifier (UEI). If you manufacture seals and gaskets or distribute items conforming to government specifications, you are eligible to submit an offer. Firms currently producing for automotive, aerospace, marine, or industrial markets may find this comparable to their existing work, though military specification compliance requirements typically exceed commercial standards.

How to put together a competitive bid

For mechanical seal procurements, the Navy typically evaluates on price and past performance with emphasis on:

• Specification conformance: Determine if the item requires compliance with an existing military specification (MIL-PRF, MIL-DTL, or MS/AN standard) or if it's a commercial item with similar form, fit, and function. Request the drawing or specification cited in the solicitation—NAVSUP WSS often buys to technical data packages.

• Quality system certification: ISO 9001 or AS9100 certification strengthens proposals. For seals used in critical applications, NAVSUP may require or prefer AS9120 (distributor) or source inspection at your facility.

• Traceability and counterfeit prevention: Document your supply chain controls. NAVSUP WSS increasingly screens for counterfeit parts risk, particularly for items with sole or limited sources.

• Delivery and packaging: Assess your ability to meet any required delivery schedules and military packaging specifications (MIL-STD-2073). Packaging errors are a common cause of rejection.

• Past performance: If you lack direct Navy sales, cite comparable commercial or defense contracts for similar seal/gasket products. Include DUNS/UEI references and performance ratings from CPARS or commercial equivalents.

Given unrestricted competition, small businesses should emphasize responsiveness, flexibility, and competitive pricing against larger distributors or manufacturers.

Next steps

Read the full solicitation on SAM.gov using solicitation number N0010426QBV30 to obtain technical specifications, delivery requirements, evaluation criteria, and instructions for submission. Note the firm deadline of 4:30 p.m. Eastern Time on November 12, 2026—late offers are typically not accepted in NAVSUP acquisitions. If specifications are unclear, use the contact information in the solicitation to submit questions before the deadline.

View the official notice on SAM.gov →