Description
When you’re troubleshooting a hydraulic leak or capping off an unused fitting, you need a plug that seals tight and stays put. This 1/8 inch MNPT black iron plug threads right into pipe fittings to permanently seal openings on hydraulic manifolds, fuel tanks, or any other pressurized system where you need to close off a line.
What You’re Getting
- Male pipe thread design screws directly into female pipe fittings without couplers
- Black iron construction resists corrosion and handles hydraulic pressures
- Compact 1/8 inch size perfect for smaller fittings on instruments and gauges
- Standard taper thread seals tight without requiring additional sealing compounds
Built for Real Farm Work
This plug works on any equipment with 1/8 inch female pipe thread openings. You’ll find these threads on hydraulic manifolds, fuel system components, air compressor fittings, and pressure gauge ports. It’s the same fitting you’d use to cap off unused hydraulic remotes or seal test ports when you’re done with diagnostics.
Made to Last
Black iron stands up to hydraulic fluid, diesel fuel, and the temperature swings your equipment sees from season to season. The material won’t crack under pressure like some plastic plugs, and it won’t corrode like regular steel when exposed to moisture and chemicals.
Good to Know
Thread these in snug but don’t overtighten—the tapered threads create their own seal. If you’re working on hydraulic systems, make sure the system is depressurized before installation. A thin coat of pipe thread compound helps ensure a leak-free seal on high-pressure applications.
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