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Why you’ll love it

RestaurantSupply.com is your trusted source for Other faucet and drain accessories.

  • Authorized Other dealer, ensuring genuine commercial restaurant equipment and manufacturer support
  • Fast shipping available on in-stock Other 21393 faucet and drain accessories
  • Competitive pricing backed by a 30-day price match guarantee
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AllPoints 21393 1-Inch Brass Rotor Nut with Twist Waste Drain Connection

Other  |  MFG #: 21393  |  Item #: 1337078
Item: #1337078
25+ bought in past months

Technical details
Manufacturer Fisher Manufacturing
Model Number 21393
Manufacturer Part # 21393
Height 0.25"
Width 1"
Depth 1"
Weight 0.03 lbs
Hazardous False
Country of Origin United States
Product Type OEM

About this item

Product Details

The Fisher Manufacturing 21393 Rotor Nut is a high-precision brass component designed for professional plumbing applications, specifically targeting commercial foodservice and sanitation systems. With a depth of 3/8" (19 mm), an inside diameter of 9/16" (14 mm), and an outside diameter of 1-1/16" (27 mm), this rotor nut ensures secure, leak-proof connections within drain and waste assembly setups. Constructed from durable brass, it offers excellent corrosion resistance and long-term performance. Its compact weight of 0.035 lbs makes it suitable for assembly in tight spaces typical of commercial kitchen plumbing and maintenance tasks, providing reliable sealing during waste pipe installations and repairs.

Top Fisher Manufacturing 21393 Features

The Fisher Manufacturing 21393 Rotor Nut is tailored for commercial plumbing installations, combining precise dimensional specifications with durable brass construction for long-lasting performance. Its design facilitates quick attachment to waste drain assemblies, simplifying maintenance routines. Ideal for restaurant kitchens, cafeterias, and food processing facilities, it provides a secure fit in twist waste applications, minimizing leaks. Its compact size and corrosion-resistant material enable seamless integration in high-use environments requiring reliable waste management solutions.

  • Functionality: Secures twist waste drain components efficiently.
  • Durability: Made from corrosion-resistant brass alloy for extended lifespan.
  • Ease of Maintenance: Facilitates simple installation and removal during repairs.
  • Application Fit: Compatible with 9/16" (14 mm) inside diameter fittings.
  • Workflow Integration: Ideal for rapid assembly in commercial plumbing setups, supporting sanitary maintenance routines.

Suitable for professional plumbing repairs and installations in commercial kitchens and sanitation systems.

Fisher Manufacturing 21393 Technical Specs

The Fisher Manufacturing 21393 Rotor Nut features a compact profile with dimensions of 1" (width) by 1" (depth) and a height of 0.25". Crafted from high-quality brass, it weighs 0.03 lbs, offering corrosion resistance and durability suited for commercial plumbing environments. Its product design ensures it fits standard twist waste assemblies with an inside diameter of 9/16" (14 mm) and outside diameter of 1-1/16" (27 mm). The component is suitable for installation in various waste management systems, supporting routine maintenance and repair tasks. Operating within typical plumbing system parameters, it withstands typical use conditions without degradation or loss of sealing integrity. Its simple mounting process enables quick assembly or disassembly, reducing downtime during plumbing repairs.

  • Material: Brass for corrosion resistance and longevity
  • Dimensions: 1" width x 1" depth x 0.25" height
  • Weight: 0.03 lbs (product weight)
  • Compatibility: Fits 9/16" (14 mm) inside diameter fittings
  • Installation: Designed for straightforward hand-tightening and removal

What is a commercial Rotor Nut

A commercial rotor nut is a precision-engineered brass fitting used in waste and drainage systems within foodservice and sanitation facilities. Designed to secure twist waste components, these nuts typically feature exact dimensions for a reliable seal and ease of installation. The Fisher Manufacturing 21393 Rotor Nut, with its brass construction and compact design, is commonly installed in commercial plumbing systems such as restaurant sinks, prep kitchens, and food processing lines, where durable and leak-proof connections are essential for efficient operation and sanitation compliance.

Top Brass Screw Nut for Drain Waste Management in Foodservice

Precision-built brass screw nut designed for securing drain waste fittings in commercial kitchens and sanitation systems. Fisher Manufacturing 21393 is ideal for high-use plumbing applications, offering durable, corrosion-resistant performance in tight assembly spaces during routine maintenance.

  • Operation Type — Commercial waste drain installations
  • Kitchen Setting — Restaurant and food processing facilities
  • Foodservice Category — Waste management and sanitation fittings
  • Workload Qualifier — Moderate throughput plumbing environments
  • Use Case — Ensuring leak-proof waste connections in busy kitchens

Why Choose Fisher Manufacturing 21393 Rotor Nut?

Compared to similar brass fittings, the Fisher Manufacturing 21393 Rotor Nut features precise dimensional tolerances, corrosion-resistant brass material, and a compact profile that facilitates quick installation and maintenance in commercial plumbing. Its design minimizes leaks and simplifies assembly, enhancing operational efficiency in high-demand foodservice environments. Its robust construction and exact fit set it apart from generic alternatives, making it a reliable choice for plumbing applications requiring durable, food-safe components.

  • Compact footprint for space-constrained installations
  • High-quality brass for long-term corrosion resistance
  • Designed for quick hand-tightening and easy removal
  • Optimized dimensions for secure fit in twist waste systems
  • Built for reliable performance in commercial plumbing applications

Customer reviews

Fisher Manufacturing 21393 Rotor Nut
AllPoints Other

AllPoints 21393 1-Inch Brass Rotor Nut with Twist Waste Drain Connection

$7.47 $8.50

Fisher Manufacturing 21393 Drain King Twist Waste Rotor Nut By Fisher, Depth 3/8" 19 Mm, Inside Diameter 9/16" 14 Mm, Material(s) Brass, Outside Diameter 1-1/16" 27 Mm, Weight 0.035 Lb