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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 1-16 of 16
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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
FireHoseDirect 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: $24.93
Item #: BPP15 -
Availability: In Stock
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Availability: In Stock
FireHoseDirect 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.

Brass 1 1/2" NPSH Plug (Pin Lug)
Price: $30.47
Item #: BPP15P -
Availability: Special Order
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Availability: Special Order
FireHoseDirect Item #: BPP15P -

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 2 1/2" NH Rocker Lug Plug
Price: $29.67
Item #: APR25 -
Availability: In Stock
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Availability: In Stock
FireHoseDirect 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.

Brass 2 1/2" NH Plug (Pin Lug) FDC, AUTO SPKR
Price: $29.12
Item #: BPP25 -
Availability: In Stock
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Availability: In Stock
FireHoseDirect Item #: BPP25 -

This is the most common replacement plug the US. If you FDC or female swivel is approx. 3 inches, you probably need this plug. Please check your local fire department. 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.

Chrome Aluminum Platted 2 1/2" NH Plug
Price: $89.00
Item #: BCPR25 -
Availability: Custom Order
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Availability: Custom Order
FireHoseDirect Item #: BCPR25 -

Aluminum chrome plated 2.5 inch NH / NST plug with chain. The most common size plug for Fire Department Connections (FDC) is 2.5" NH. This is also known as National Standard Thread (NST). Exceptions are New York City, Chicago and other areas that still use "local" threads.

Brass Polished 2 1/2" NH Plug (Pin Lug) FDC, AUTO SPKR
Price: $39.08
Item #: BPP25-P -
Availability: In Stock
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Availability: In Stock
FireHoseDirect Item #: BPP25-P -

This is the most common replacement plug the US. If you FDC or female swivel is approx. 3 inches, you probably need this plug. Please check your local fire department. 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.

Plastic 2 1/2" NH Plug
Price: $10.28
Item #: PP25 -
Availability: In Stock
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Availability: In Stock
FireHoseDirect Item #: PP25 -

Rocker 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.

Brass 2 1/2" NPSH Plug (Pin Lug)
Price: $31.55
Item #: BPP25P -
Availability: In Stock
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Availability: In Stock
FireHoseDirect 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
FireHoseDirect 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...

Brass 3" NH Plug (Pin Lug)
Price: $54.15
Item #: BPP3 -
Availability: In Stock
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Availability: In Stock
FireHoseDirect Item #: BPP3 -

If you FDC or female swivel connection is approx. 3 1/2" inside diameter, you need this plug. If your FDC is approx. 3", you need 2 1/2" plug which is the most common in the US. Please contact you local fire department.Safety Notes - Not intended for pressure applications - for protection onlyNote - 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 adapter check the female coupling...

Aluminum 4" NH / NST Rocker Lug Plug
Price: $68.23
Item #: APR4 -
Availability: Custom Order
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Availability: Custom Order
FireHoseDirect 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: $92.02
Item #: BPP4 -
Availability: In Stock
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Availability: In Stock
FireHoseDirect 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: In Stock
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Availability: In Stock
FireHoseDirect 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: $89.00
Item #: APR5 -
Availability: Custom Order
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Availability: Custom Order
FireHoseDirect 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: $103.46
Item #: APR6 -
Availability: In Stock
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Availability: In Stock
FireHoseDirect 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.