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Fire Hydrant Caps

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Hi-Viz 4 1/2" NH / NST Fire Hydrant Cap (Out of Service)
Price: $19.26
Item #: FHC45LG -
Availability: In Stock
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Availability: In Stock
Item #: FHC45LG -

Heavy duty 4.5 inch replacement iron fire hydrant cap with NH / NST threads including chain. Pentagonal in shape. The most common size and threads for United States fire hydrants is 4 1/2" NH / NST.

Iron 2 1/2" NH / NST Fire Hydrant Cap
Price: $36.63
Item #: FHC25F -
Availability: In Stock
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Availability: In Stock
Item #: FHC25F -

Heavy duty 2.5 inch replacement iron fire hydrant cap with NH / NST threads including chain. Pentagonal in shape.The most common size and threads for US fire hydrants is 2 1/2" NH / NST.

Iron 4 1/2" NH / NST Fire Hydrant Cap
Price: $54.40
Item #: FHC45 -
Availability: In Stock
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Availability: In Stock
Item #: FHC45 -

Heavy duty 4.5 inch replacement iron fire hydrant cap with NH / NST threads including chain. Pentagonal in shape. The most common size and threads for US fire hydrants is 4 1/2" NH / NST. Outside diameter of a 4.5" male NH / NST adapter - 5.760 inches (4 Threads per inch). Inside diameter of the waterway is about 4.5 inches.

Yellow 2 1/2" NH Plastic Fire Hydrant Cap
Price: $11.15
Item #: FHC25YL -
Availability: In Stock
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Availability: In Stock
Item #: FHC25YL -

Thermoplastic 2.5 inch NH / NST threaded cap with 1 1/8" pentagonal nut. Constructed from hardened thermoplastic.

Yellow Plastic 4 1/2" NH Fire Hydrant Cap
Price: $27.17
Item #: FHC45YL -
Availability: In Stock
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Availability: In Stock
Item #: FHC45YL -

Thermoplastic 4.5 inch NH / NST threaded cap and 1-1/8" pentagonal nut with weep hole. This cap features a 9 inch long chain for a secure connection to the wall or equipment. Constructed from hardened thermoplastic. Chain included.

Fire Hydrant Cap Chain (3 Pack)
Price: $22.91
Item #: FHC-3 -
Availability: In Stock
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Availability: In Stock
Item #: FHC-3 -

Galvanized Steel Fire Hydrant cap chain to fit 4.5" or 2.5 iron caps. See SKU FHC45 and FHC25F for caps.