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Contact Us 24/7, or call us at 1-844-740-5417 during business hours for the fastest response to your questions.

  • Products
    • Amerex
    • Amerex KP
    • Ansul
    • Black Pipe Fittings
    • Buckeye
    • Chrome Fittings
    • Evergreen Quik Seals
    • Fire Equipment Gauges
    • Fire Extinguisher Cabinets
    • Fire Extinguisher Covers
    • Fire Extinguisher Hooks
    • Fire Extinguisher Pull Pins
    • Fire Extinguishers
    • Fire Hoses
    • Globe Fusible Links
    • Hole Punches
    • Hose Straps and Clips
    • Hydro Test/Recharge Adapters
    • Miscellaneous Parts
    • Nitrogen
    • O-Rings
    • Exclusive Customer Sale Items
    • Pyro Chem System Parts
    • Range Guard System Parts
    • Service Verification Collars
    • Signs
    • Sprinkler Parts
    • System Components
    • Tamper Seals
    • Valve Stems
    • Vehicle Brackets
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O-Rings

Product Search

Category Other
Category Exclusive Customer Sale Items
Category Amerex
Category Amerex KP
Category Ansul
Category Black Pipe Fittings
Category Buckeye
Category Chrome Fittings
Category Evergreen Quik Seals
Category Fire Equipment Gauges
Category Fire Extinguisher Cabinets
Category Fire Extinguisher Covers
Category Fire Extinguisher Hooks
Category Fire Extinguisher Pull Pins
Category Fire Extinguishers
Category Fire Hoses
Category Globe Fusible Links
Category Hole Punches
Category Hose Straps and Clips
Category Hydro Test/Recharge Adapters
Category Miscellaneous Parts
Category Nitrogen
Category O-Rings
Category Pyro Chem System Parts
Category Range Guard System Parts
Category Service Verification Collars
Category Signs
Category Sprinkler Parts
Category System Components
Category Tamper Seals
Category Valve Stems
Category Vehicle Brackets

Showing 16–30 of 30 resultsSorted by latest



Product Categories

Product Brands

  • 3380 Valve Stem Seals for Amerex 6092 Fire Extinguisher Parts

    $0.95

    Brands: Amerex

    Add to cart

  • 195-OR O-Rings for General Types of Fire Extinguishers (Sold In Packs Of 100)

    $0.14

    Brands: Generic

    Add to cart

  • 551530 Pyro Chem Nozzle O-Rings (Sold In Packs Of 10)

    $1.50

    Brands: Pyro Chem

    Add to cart

  • 439848 Ansul O-Rings for Updated Style Nozzles

    Rated 5.00 out of 5

    $2.00

    Brands: Ansul

    Add to cart

  • OR-20 O-Rings for Fire Extinguishers (Sold In Packs Of 100)

    $0.14

    Brands: Buckeye, Generic

    Add to cart

  • Kidde 340036K O-Rings Fire Extinguisher Parts Small (340035) ***Sold In Packs Of 50***

    Rated 5.00 out of 5

    $0.65

    Brands: Kidde

    Add to cart

  • OR-28 Ansul O-Rings (Must Order In Packs Of 100)

    Rated 5.00 out of 5

    $0.14

    Brands: Ansul

    Add to cart

  • QR-41 Ansul O-Rings Quad Rings for Large Valve ***50 PACK***

    $0.30

    Brands: Ansul

    Add to cart

  • QR-40 Ansul Quad Rings for Large Valve ***SOLD IN PACKS OF 50***

    $0.40

    Brands: Generic

    Add to cart

  • OR-37 O-Rings for Buckeye Fire Extinguisher 100CT

    $0.14

    Brands: Buckeye

    Add to cart

  • OR-27 O-Rings for Amerex and Badger (SOLD IN PACKS OF 100)

    Rated 5.00 out of 5

    $0.14

    Brands: Amerex, Badger

    Add to cart

  • OR-21 O-Rings for Fire Extinguishers (Sold In Packs Of 100)

    Rated 5.00 out of 5

    $0.14

    Brands: Generic, Kidde

    Add to cart

  • Kidde 340037K O-Rings Fire Extinguisher Parts Large (Sold In Packs Of 50)

    Rated 4.50 out of 5

    $0.75

    Brands: Kidde

    Add to cart

  • OR-29 O-Rings for Amerex and Badger Fire Extinguisher 100CT

    Rated 5.00 out of 5

    $0.14

    Brands: Amerex, Badger

    Add to cart

  • O-Rings OR39 Fire Extinguisher Parts (50 COUNT)

    $0.25

    Brands: Amerex, Badger, Buckeye, Kidde

    Add to cart


What is an o-ring on a fire extinguisher, and what part does it play in security? You may know this part as an essential of vehicle engines and hydraulic systems everywhere, but the o-ring is also instrumental in promoting safety on other products. This humble component helps keep extinguishers properly sealed to prevent leaking and ensure your equipment is ready if a fire occurs.

High-Quality O-Ring Options From National Fire Supply

National Fire Supply is your nationwide source for durable and sturdy o-rings for fire equipment. Our in-stock inventory includes selections like:

  • Nozzle and fire hose o-rings
  • Gasket cartridge receivers
  • Valve stem seals
  • Large-valve quad rings

We offer options from today’s most respected brands, including:

  • Ansul
  • Amerex
  • Pyro Chem
  • Kidde

Our store also stocks universal o-rings to fit Badger and Buckeye equipment, plus complete fire extinguisher o-ring kits.

Shop National Fire Supply Online Today

Order securely from our digital storefront and wide in-stock product catalog 24/7. We ship the same day we process your order and offer free, two-day express delivery for many small parts. Have questions or want product guidance? Our team has the answers and advice you need. Contact us online or call our team to experience our signature customer service!

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400 S Steptoe Ste 120 Kennewick WA 99336

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844-749-2313

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