1" Black Iron Locknut
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1" Black Iron Locknut

$2.87
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Product Name: Black Iron LocknutMaterial: Malleable Iron (Black Finish)Coating: Black oxide finish to resist rust during storage/handling (not intended for long-term corrosion resistance)Standards: Conforms to ASTM A197 / A153 UL / FM Approved for certain applications (depending on size and use) Sizes Available: 1/8" – 2" (NPT thread sizes)Thread Type: Tapered NPT female (National Pipe Thread)Connection: Secures rigid pipe fittings and nipples into threaded openings, prevents loosening due to vibration. Temperature Range: -20°F to 650°F (-29°C to 343°C)Pressure Rating: Equal to the pressure rating of the mating fitting or pipe system (commonly Class 150) Applications: Plumbing installations (water, steam, gas, compressed air lines) Securing nipples or couplings into outlet boxes or enclosures Mechanical, industrial, and OEM piping systems Features: Heavy-duty malleable iron construction for strength Chamfered edges for easy threading Designed to hold fittings secure

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