Plastic 3" NH Cap Same Day Shipping_Yes the most common size and

the most common size and thread type in most parts of the country

Approx hole size 1" x 1/4"

comes in high visibility color and is spark and corrosion proof

Carbon Steel 6" Raised Faced ANSI 150 Flange x 5" Storz

Constructed with firefighters in mind

Plastic 3" NH Cap Same Day Shipping_Yes the most common size andThermoplastic 3 inch NH NST threaded cap with chain. This cap features a 9 inch chain for a secure connection to the wall or equipment. Constructed from hardened thermoplastic. Chain and gasket included. NOT intended to be pressurized, threaded dust cover only 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 adapter check the female