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Minerallac Company JBU290EG - A 3/8 lockwasher made from 316 stainless steel. The sheet identifies it as JBU290EG and describes it as a junction box universal with 2 connectors at 90 degrees. No additional dimensions or construction details are printed in the product attributes section.

Minerallac Company JBU290EG A 3/8 lockwasher made from 316 stainless steel. The sheet identifies it as JBU290EG and…

Alternate Item Number: 13702619

UPC: 784610008648


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Minimum Qty: 20

Multiplier: 20

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Minerallac JBU290EG is a 3/8" lockwasher manufactured from 316 stainless steel, designed for secure fastening in electrical enclosures. This lockwasher provides reliable vibration resistance and electrical continuity in junction box applications. The 316 stainless steel construction offers superior corrosion resistance, making it ideal for harsh industrial environments, including those with exposure to moisture, chemicals, or salt spray. This lockwasher is a critical component for maintaining electrical connections in junction boxes, ensuring stable and long-lasting assemblies. Its 3/8" size provides compatibility with standard electrical enclosure hardware, fitting securely with bolts and screws commonly used in industrial electrical installations. The JBU290EG is sold individually (EA) and is part of Minerallac’s comprehensive line of electrical enclosure hardware. It is designed for use in junction boxes, control panels, and other electrical enclosures where secure, vibration-resistant fastening is required. The lockwasher’s stainless steel construction ensures durability and reliability in demanding applications, including manufacturing, automation, and industrial facilities.
  • 3/8" size for standard electrical enclosure hardware compatibility
  • 316 stainless steel construction for superior corrosion resistance
  • Provides vibration resistance and electrical continuity in junction boxes
  • Designed for secure fastening in industrial electrical enclosures
  • Sold individually (EA) as part of Minerallac’s electrical hardware line

Specifications

Connection Type
2 Connectors at 90 Degrees
Connection Type
90-degree connectors
Material
316 Stainless Steel
Material
Not explicitly stated
Size
3/8
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Frequently Asked Questions about Minerallac Company

What are the main product lines offered by Minerallac Company?

Minerallac Company offers multiple comprehensive product lines including Minerallac Traditional (electrical fasteners), Strut Fittings, Stainless Steel Fasteners, Black Claw, Impact Staples, and Redmore. Their Traditional line features over a thousand electrical fastener variations covering conduit/cable/wire products, nail straps, beam clamps, metal stud & drywall accessories, acoustical supports, voice/data hardware, and miscellaneous electrical installation components.

What is Minerallac Company's warranty policy?

Minerallac Company provides a limited warranty that guarantees all products are free from defects in material and workmanship. If a product fails to meet this warranty, Minerallac's sole liability is to replace the product at no charge. The warranty is exclusive and does not cover consequential damages, lost profits, or implied warranties of merchantability or fitness for a particular purpose.

What industries and applications are Minerallac Company products used for?

Minerallac Company products are used extensively across electrical, construction, and industrial applications, including conduit and cable support, beam mounting, metal stud and drywall installation, voice/data infrastructure, and low voltage systems. Their product lines cover critical fastening solutions for electrical contractors, with specialized offerings in conduit hangers, straps, beam clamps, cable supports, and mounting hardware for various industrial environments.

What technical support does Minerallac Company offer?

Minerallac Company offers comprehensive technical support through multiple channels, including a toll-free customer service line at 800-927-3293, email support at [email protected], and online resources at www.minerallac.com. Their support covers product selection, technical specifications, and customer service for their extensive line of electrical fasteners, hangers, straps, and hardware across multiple product brands including Minerallac Traditional, Cully, Black Claw, IMPACT Staples, and Minerallac Stainless Steel. Support hours are 8:00 A.M. to 5:00 P.M. CT for their corporate office and 8:00 A.M. to 5:00 P.M. PT for their regional office.

What are the key features of Minerallac Company products?

Minerallac Company products feature a comprehensive range of electrical fasteners and hardware with exceptional versatility, including over 1,000 different sizes, styles, and finishes. Key features include multiple product lines such as Traditional, Strut Fittings, and Stainless Steel options with specialized finishes like 304/316 Stainless Steel, Hot-Dipped Galvanized, and Zinc Electroplate. Their products are engineered for electrical contractors, offering time-saving solutions with high-quality fasteners designed for durability, corrosion resistance, and worker safety across various installation environments.

What environmental ratings do Minerallac Company products have?

Minerallac Company products have robust environmental ratings, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13 certifications, CSA Type 1-4X, 12, and 13 ratings, and IEC 60529 IP66 protection. The products are WEEE and RoHS compliant, with UV and oil resistance, and can operate in extreme temperatures ranging from -55°C to 105°C, making them suitable for harsh industrial environments.

What accessories are available for Minerallac Company products?

Minerallac Company offers a comprehensive range of accessories across multiple product categories, including hardware, fasteners, and mounting solutions. Key accessories include stove bolts with nuts, wing nut washers, bar joist washers, stud clip adapters, brackets, perforated strapping, cable support options like J-hooks and bridle rings, box mounting brackets, outlet retainers, and various stud and drywall supports. Their accessories are available in multiple finishes such as stainless steel, hot-dipped galvanized, zinc electroplate, and powder-coated options.

How are Minerallac Company products typically installed?

Minerallac Company products are typically installed using a variety of specialized fastening solutions, including conduit hangers, straps, beam clamps, and mounting brackets designed for different electrical and construction applications. Installation methods vary by product type, with options for metal studs, drywall, beams, acoustical surfaces, and low voltage systems. The company offers multiple installation styles such as one-hole and two-hole straps, universal beam clamps, and specific mounting hardware to ensure secure and efficient attachment across diverse electrical and construction environments.

What communication protocols do Minerallac Company products support?

Minerallac Company's Brad product line supports multiple industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, Serial, AS-interface, and CC-Link. Their comprehensive portfolio covers over 40 industrial protocols, providing flexible communication solutions for various industrial automation applications from PC-based control to PLC systems.