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Home Plumbing Rough Plumbing Supplies Pipe Fittings Black Pipe Fittings Black Pipe Bushings 521-974HN 1-1/2IN X 3/4IN BLACK BUSHING

521-974HN 1-1/2IN X 3/4IN BLACK BUSHING

PART 286408
SUPPLIER B & K LLC
SUPPLIER PART # 521-974HN
RANK D
SHELF PACK 5
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About this item

The B&K 521-974HN Hex Bushing is a rugged, industrial-grade fitting designed to reduce pipe size in threaded piping systems. Made from black malleable iron, this bushing offers superior strength, corrosion resistance, and long-term reliability in high-pressure applications. Its hexagonal shape allows for easy installation with a wrench, and its threaded male and female ends ensure a secure, leak-resistant connection.

This fitting is part of B&K’s trusted line of black pipe fittings and is manufactured to meet ANSI/ASME B16.3 and B1.20.1 standards. It is suitable for use in oil, gas, LP gas, air, and water systems, and is UL and FM listed for safety and performance. Whether used in residential plumbing, commercial piping, or industrial systems, the 521-974HN delivers dependable performance in demanding environments.

Key Features

  • Model: 521-974HN
  • Size: 1-1/2" Male NPT x 3/4" Female NPT
  • Material: Black malleable iron – durable and corrosion-resistant
  • Shape: Hex bushing for easy wrench installation
  • Connection Type: Threaded MIP x FIP (Male Iron Pipe x Female Iron Pipe)
  • Pressure Rating: Up to 300 PSI (Class 150)
  • Temperature Rating: Up to 350°F
  • Thread Standard: ANSI/ASME B1.20.1
  • Fitting Standard: ANSI/ASME B16.3
  • Certifications:
    • UL Listed
    • FM Approved
    • IAPMO Certified
  • Finish: Black oxide coating for added protection
  • Dimensions:
    • Length: 2.3 inches
    • Weight: Approx. 0.44 lbs
  • Country of Origin: China
  • Warranty: 1-Year Manufacturer Warranty

Applications

  • Gas Systems – Suitable for natural gas and LP gas installations
  • Oil & Fuel Lines – Withstands pressure and temperature in fuel delivery systems
  • Air Compression Systems – Reliable for pneumatic lines and equipment
  • Water Distribution – Used in cold water and non-potable water systems
  • Industrial Piping – Ideal for reducing pipe size in mechanical and utility systems
  • DIY & Decorative Projects – Popular in custom furniture and industrial-style builds

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Brand Coda Resources
Model 521-974HN
Size 1-1/2X3/4
Color Black
Type Bushing
Material black
UPC Code 032888309081
Shelf Pack 5
Minimum Order Qty 1
Supplier Name B & K LLC
Supplier Short Name B & K /Mue
Supplier Address 1 2600 Elm Hurst Road
Supplier City Elk Grove Villa
Supplier State IL
Supplier Zip 60007
Country US
Supplier Email brett.merrick@colemanrussell.com
Supplier Url www.muellerindustries.com
Buyer Name Michael Heck
Supplier Phone (800) 782-2385
Supplier Fax (800) 421-7724
Our Customer Id 48813001
Return Policy Return to Wallace
Product Lines Valves, Faucets, Pipe Fittings
Rep Name Brett Merrick
Rep Address Rose Maria Lighthal l@ Factory
Rep Phone (800) 777-0270
Rep Cell (931) 510-7989
Rep Fax (205) 836-6528
Rep Email brett.merrick@colemanrussell.com
Rep Agency Coleman-Russell