Custom Gasket Manufacturing

Precision Gaskets.
Engineered to Spec.

Custom gaskets, rubber washers, plastic washers, and O-rings, die-cut, lathe-cut, and rotary stamped to your drawing. ISO 9001 custom gasket manufacturer in Fontana, California, serving OEMs in aerospace, medical, automotive, and industrial markets.

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Made in USA
Fontana, California
50+
In Business Since 1971
ISO 9001
Certified Quality
100+
Materials Available
Products

Sealing components for every application.

Cannon Gasket has been your #1 source for custom non-metallic stampings since 1971, fabricating custom rubber gaskets, rubber washers, plastic washers, custom O-rings, diaphragms, and EMI/RFI shielding for OEM programs nationwide. We die-cut nylon washers, neoprene washers, PTFE washers, silicone washers, EPDM washers, Viton washers, UHMW washers, Mylar washers, nitrile washers, acetal washers, and Kapton washers to drawing, serving markets from aerospace and medical to lighting and bearings. Every part is engineered to your spec, scaling cleanly from prototype runs into annual production volumes from the same in-house tooling.

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Custom Gaskets

Die-cut gaskets in rubber, foam, PTFE, fiber, and composite materials for critical sealing.

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Assorted custom die-cut gaskets in rubber, foam, and fiber materials

Rubber Washers

EPDM, Silicone, Viton, Nitrile, Neoprene, and 10+ elastomers, custom dimensions and durometers.

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Assorted custom rubber washers in various colors and durometers

Plastic Washers

PTFE, Nylon, UHMW, Acetal, Mylar, Kapton: precision thermoplastic stampings.

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Assorted custom plastic washers in various colors and materials

Diaphragms

Custom diaphragms in elastomer and fabric-reinforced materials for valves, pumps, and regulators.

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Diaphragms

Specialty Seals & O-Rings

Custom O-Rings, lathe-cut seals, and specialty profiles in all major elastomer compounds.

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Assorted custom O-rings and seals in various sizes and colors

Product Finder

Two clicks: pick application + service environment, get a part recommendation in seconds.

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Close-up of Cannon Gasket white die-cut adhesive pads on blue liner beside black foam gaskets and a kraft roll.
Capabilities

In-house processes.
Prototype to production.

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Atom flatbed die-cutting press cutting round rubber blanks from black sheet stock at Cannon Gasket.
Die Cutting (Steel Rule)
High-precision flatbed and hydraulic steel-rule die cutting of gaskets, washers, shims, and spacers from elastomeric, plastic, foam, fiber, and composite materials.
Portrait view of rotary die-cut grommets, white pads on blue liner and black foam gaskets from Cannon Gasket.
Rotary Die Cutting
High-speed continuous-web rotary cutting for high-volume production of sealing components and thin-material stampings, with inline lamination on demand.
Oscillating-knife flash cutting table with round shapes cut from a black rubber sheet at Cannon Gasket.
Flash Cutting
Drag-knife and oscillating-blade flash cutting for short runs, prototypes, and large-format parts without dedicated tooling.
Pile of orange silicone rubber tubular spacers with center bores on a clean white background.
Fly Cutting
Specialty fly cutting for narrow-tolerance work and round-profile parts that don't suit conventional die cutting.
Assorted lathe-cut black rubber rings, seals, and a solid washer arranged on a white background.
Lathe Cutting
Precision lathe-cut washers, O-rings, and seals from tube stock with tight dimensional tolerances for demanding sealing applications.
Cannon Gasket slitting and sheeting machine cutting rubber roll stock to width and length.
Slitting / Sheeting
Material slitting to specified widths and sheeting to required lengths for downstream fabrication or direct use in assembly.
White silicone rod billet with small molded grommet seals on a white background from Cannon Gasket.
Machining
In-house machining for tooling development, maintenance, and precision custom components beyond standard stamping capabilities.
Rolls of 3M 467MP pressure-sensitive adhesive transfer tape on a clean white background.
Lamination
Multi-layer lamination including pressure-sensitive adhesive (PSA) backing for assembly-ready, peel-and-stick parts.
Cannon Gasket ISO 7 clean room with gowning area and assembly stations
Clean Room
Controlled-environment manufacturing for medical, FDA-sensitive, electronic, and scientific applications requiring contamination-free production.
Cannon Gasket in-house tool room precision metal lathe used for steel-rule die fabrication.
Tool Room
In-house steel-rule die design and fabrication with no external tool-shop handoffs, faster turnaround on first articles.
Two cream die-cut gaskets pad-printed with C, NO and NC identification markings on a white background.
Pad Printing
Part marking and identification via pad printing in custom colors and specifications, per MIL-STD-130 when required.
Clear labeled Cannon Gasket poly bags of black rubber washers kitted and tagged in a shipping box.
Packaging / Kitting
Bagging, tagging, and assembly-line-ready kits to simplify receiving and assembly workflow with custom packaging specs.
Vendor Managed Inventory (VMI) diagram illustrating Cannon Gasket stocking and inventory programs.
Stocking Programs
JIT, VMI, Kanban, and blanket-order programs that keep your production line running without supply-chain friction.
Industries Served

Built for the most demanding industries.

Aerospace & Defense
AS9100-ready, MIL-spec compatible sealing with full traceability.
Automotive
Tier-1 and OEM gaskets, washers, and seals at production volumes.
Electronics & EMI
Conductive elastomers, EMI/RFI shielding, and enclosure seals.
Food & Beverage
FDA-compliant and NSF-rated sealing for processing equipment.
Medical & FDA
Clean-room manufactured, FDA-compliant gaskets for regulated devices.
Oil & Gas
Nitrile and Viton sealing for upstream, midstream, and downstream service.
HVAC
EPDM and Neoprene gaskets for air handlers, ducting, and coil assemblies.
Industrial & Controls
General-purpose sealing for pumps, valves, motors, and motion control.
Irrigation & Agriculture
UV-stable EPDM and SBR for outdoor irrigation and farm equipment.
Marine & Transport
Saltwater-resistant elastomers for marine and transportation equipment.
Plumbing
Potable-water-grade EPDM and SBR seals for plumbing assemblies.
Pool & Spa
Chlorine- and ozone-resistant seals for pool and spa equipment.
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ISO 9001 CertifiedAS9100-ReadyMIL-Spec CompatibleFDA / USP Class VIEst. 1971ISO 9001 CertifiedAS9100-ReadyMIL-Spec CompatibleFDA / USP Class VIEst. 1971ISO 9001 CertifiedAS9100-ReadyMIL-Spec CompatibleFDA / USP Class VIEst. 1971ISO 9001 CertifiedAS9100-ReadyMIL-Spec CompatibleFDA / USP Class VIEst. 1971