The Danfoss / Eaton pipe products square head plug ensures high performance in various industrial applications, including grease, refrigeration, and instrumentation systems. Featuring a 1/4-18 thread and male NPT end, this brass adapter offers reliable and durable connections.
Engineered for a wide range of operational conditions, this component operates efficiently from -65deg;F and addresses the demanding requirements of hydraulic systems. Suitable for fuel, LP, and natural gas applications upon special order, it provides flexibility in its usage.
Constructed from high-quality brass, this adapter guarantees a robust and corrosion-resistant solution for your vital industrial systems. Its square head design enables easy installation and removal, adding convenience and functionality to your operations.
Supplier Part Number: 3151X4
MPN: C1HN80
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Specifications
Alternate Part Numbers
Alternate Part NumberC1HN80, Alternate Part Number MI-00333535, Alternate Part Number MINO-00015X05483, Alternate Part Number MINO-00925F73227
Application
Grease, refrigeration, instrumentation and hydraulic systems. Fuel, LP and natural gas available on special order.
got a 1/4-18 NPT port i need to cap off, is this the right plug for that?
Answer by: Customer Support on Nov 4, 2025, 4:11 PM
For a 1/4-18 male NPT thread match, this plug is set up with 1/4-18 male threads, so it fits ports and fittings that take that same 1/4-18 NPT connection.
Question by: Roy P on Apr 19, 2025, 9:55 PM
Will this plug work with hydraulic systems, or is it mainly for other stuff like refrigeration?
Answer by: Customer Support on Apr 21, 2025, 12:42 PM
It's made to work in hydraulic systems, along with grease, refrigeration, and instrumentation setups. You can even get it special-ordered for fuel, LP, and natural gas applications too.