Fairview 121B Brass Hex Head Pipe Plug, 1/4″ NPT, CORED

Fairview 121B brass hex head pipe plug designed for a 1/4″ NPT threaded connection (cored). Use it to close off a pipe opening with a threaded plug secured using appropriate thread sealant.

Key Features

• Brass hex head pipe plug for a 1/4″ NPT threaded connection
• CORED plug style (121B)
• Hex head design for easier installation and removal with tools

Intended Use

• Plumbing and process piping where a brass threaded plug is appropriate
• Closed-off threaded pipe ends in systems that are not intended for potable water use

Product Details

• Brand/Series: Fairview 121 Series
• Part number: 121B
• SKU: 687-121B
• Type: Plug, Hex Head
• Material: Brass
• Thread size: 1/4″ NPT
• Plug style: CORED
• Service note: Not to be used in potable water systems (per product listing)
• Variant weight: 170 g

Parts Desk Insights

Best Use Case: A practical choice for sealing a threaded 1/4″ NPT pipe opening using a brass hex-head plug when the application is not potable water service.

Common Issues: Thread sealing mattersuse an approved pipe-thread sealant for the fluid and service conditions. Also confirm the mating thread type matches your system (NPT vs. other thread standards) before installation.

Related Products & Accessories

• Browse Valves & Strainers – Find matching Fairview fittings and related plumbing components in the same category.