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Aluminum, Brass & Plastic Plugs

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  • Fire Hose Thread (NH / NST)
  • A plug with NH / NST male threads will thread into a female with NH / NST threads. It will not thread into a NPT or NPSH thread.
  • Straight Hose Thread (NPSH)
  • A plug with NPSH threads will only thread into a female with NPSH threads. It will not thread into a female with NPT (Pipe thread) threads.
Products 1-14 of 14
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Aluminum 1 1/2" NH Rocker Lug Plug
Price: $25.42
Item #: APR15 -
Availability: In Stock
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Availability: In Stock
Item #: APR15 -

Aluminum plugs are fabricated from seamless extruded 6061-T6 aluminum and hard coat anodized per MIL-A-8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Plugs and components meet the requirements of NFPA 1963.

Brass 1 1/2" NH Plug (Pin Lug)
Price: $28.29
Item #: BPP15 -
Availability: In Stock
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Availability: In Stock
Item #: BPP15 -

Safety Notes - Not intended for pressure applications - for protection only WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling.

Aluminum 2 1/2" NH Rocker Lug Plug
Price: $31.17
Item #: APR25 -
Availability: In Stock
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Availability: In Stock
Item #: APR25 -

Aluminum plugs are fabricated from seamless extruded 6061-T6 aluminum and hard coat anodized per MIL-A-8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Plugs and components meet the requirements of NFPA 1963. This is the most common plug size in the US. If your FDC or female swivel inside diameter is approx. 3 inches across, you probably need this plug. Please call or check with...

Brass 2 1/2" NH Plug (Pin Lug) FDC, AUTO SPKR
Price: $33.05
Item #: BPP25 -
Availability: In Stock
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Availability: In Stock
Item #: BPP25 -

This is the most common replacement plug in the US. If your FDC or female swivel inside diameter is approx. 3 inches across, you probably need this plug. Please call or check with your local fire department if you have any questions. Safety Notes - Not intended for pressure applications - for protection only WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after...

Chrome Aluminum Platted 2 1/2" NH Plug
Price: $93.17
Item #: BCPR25 -
Availability: Custom Order
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Availability: Custom Order
Item #: BCPR25 -

Aluminum chrome plated 2.5 inch NH / NST plug with chain. This is the most common replacement plug size in the US. If your FDC or female swivel inside diameter is approx. 3 inches across, you probably need this plug. Please call or check with your local fire department if you have any questions.

Brass Polished 2 1/2" NH Plug (Pin Lug) FDC, AUTO SPKR
Price: $44.33
Item #: BPP25-P -
Availability: In Stock
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Availability: In Stock
Item #: BPP25-P -

This is the most common replacement plug in the US. If your FDC or female swivel inside diameter is approx. 3 inches across, you probably need this plug. Please call or check with your local fire department if you have any questions. Safety Notes - Not intended for pressure applications - for protection only WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after...

Plastic 2 1/2" NH Plug (Pin Lug)
Price: $9.51
Item #: PP25PL -
Availability: In Stock
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Availability: In Stock
Item #: PP25PL -

Pin lug plug constructed from hardened thermoplastic. Will fit 2 1/2" NH/NST FDC female swivel outlets. Intended to keep debris out only, not for pressure applications. Temperature range from -4 F to 200 F. Removed from FDC with adjustable hydrant wrench. The most common plug and size in the US is 2 1/2" NH / NST. This plug will fit into a female with an inside diameter of approx. 3 inches. This is the most common replacement plug size in the US. If your FDC or female swivel inside diameter is...

Brass 2 1/2" NPSH Plug (Pin Lug)
Price: $35.80
Item #: BPP25P -
Availability: In Stock
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Availability: In Stock
Item #: BPP25P -

Safety Notes - Not intended for pressure applications - for protection only Note - 2.5 inch NPSH is NOT a common thread size/type combination. Please verify your size and thread before ordering. 2.5" NH aka NST is much more common. WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling.

Aluminum 3" NH / NST Rocker Lug Plug
Price: $48.08
Item #: APR3 -
Availability: In Stock
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Availability: In Stock
Item #: APR3 -

Aluminum plugs are fabricated from seamless extruded 6061-T6 aluminum and hard coat anodized per MIL-A-8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Plugs and components meet the requirements of NFPA 1963. Note - 3 inch NH / NST is very rare and is often confused with 2.5 inch NH / NST which is very common. If you have a fire department connection (FDC), hose coupling or an...

Aluminum 4" NH / NST Rocker Lug Plug
Price: $72.08
Item #: APR4 -
Availability: Custom Order
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Availability: Custom Order
Item #: APR4 -

Aluminum plugs are fabricated from seamless extruded 6061-T6 aluminum and hard coat anodized per MIL-A-8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Plugs and components meet the requirements of NFPA 1963.

Brass 4" NH Plug (Pin Lug)
Price: $104.35
Item #: BPP4 -
Availability: In Stock
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Availability: In Stock
Item #: BPP4 -

Brass plugs are available in pin lug or rocker lugs.Safety Notes - Not intended for pressure applications - for protection onlyWARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling.

Aluminum 4 1/2" NH Rocker Lug Plug
Price: $80.92
Item #: APR45 -
Availability: Limited Stock
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Availability: Limited Stock
Item #: APR45 -

Aluminum plugs are fabricated from seamless extruded 6061-T6 aluminum and hard coat anodized per MIL-A-8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Plugs and components meet the requirements of NFPA 1963.

Aluminum 5" NH / NST Rocker Lug Plug
Price: $92.46
Item #: APR5 -
Availability: Custom Order
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Availability: Custom Order
Item #: APR5 -

Aluminum plugs are fabricated from seamless extruded 6061-T6 aluminum and hard coat anodized per MIL-A-8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Plugs and components meet the requirements of NFPA 1963.

Aluminum 6" NH / NST Rocker Lug Plug
Price: $107.77
Item #: APR6 -
Availability: In Stock
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Availability: In Stock
Item #: APR6 -

Aluminum plugs are fabricated from seamless extruded 6061-T6 aluminum and hard coat anodized per MIL-A-8625 Type III, Class 1. Threads have a blunt start Higbee cut with indicators on adjacent lugs. Part identifications are permanent and stamped prior to hardcoat. Plugs and components meet the requirements of NFPA 1963.