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Minerallac Company 70530J - 5/16 in. split lock washers in a jar. Made of stainless steel with a stainless finish and silver color. The washer has a thickness of 0.078 in., an outside diameter of 0.583 in., and an inside diameter of 0.322 in. It is intended to apply greater bolt tension per unit of applied torque and resist loosening caused by vibration and corrosion.
Minerallac Company

70530J

Alternate Item Number: 12112538

UPC: 085937081926

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Minimum Qty: 100

Multiplier: 100

*Contact for lower quantities*

Overview

The Minerallac Company 70530J is a 5/16" medium split lock washer, manufactured in the USA from Type 18-8 stainless steel. This fastener is engineered to provide a secure connection by preventing loosening or turning in applications that are prone to vibration. Each jar contains 100 units, offering a convenient quantity for industrial assembly, maintenance, and repair tasks. The 18-8 stainless steel composition ensures good corrosion resistance, making these lock washers suitable for a variety of environments. As a standard component, the 70530J is essential for maintaining the integrity of mechanical assemblies where vibration is a concern. This product is part of Minerallac's extensive line of fasteners designed for reliability and performance. The UNSPSC code for this item is 31161800. Ensure secure connections with these durable stainless steel lock washers.
  • 5/16 inch size
  • Constructed from durable 18-8 Stainless Steel
  • Medium split lock washer design
  • Jar contains 100 units
  • Prevents loosening in vibration-prone applications

Specifications

Application
creating more uniform torque control and load distribution.;Provides a hardened bearing surface
Color
Silver
Finish
Stainless
Inside Diameter
0.322 in
Inside Diameter
8.1788 mm
Material
Stainless Steel
Material
18-8 Stainless Steel
Outside Diameter
0.583 in
Outside Diameter
14.8082 mm
Rockwell Hardness
C35 - 43
Size
5/16"
Special Features
Applies greater bolt tension per unit of applied torque. Resists loosening caused by vibration and corrosion.
Thickness
0.078 in
Thickness
1.9812 mm
Type
Split Lock Washer
Package Weight (Imperial)
0.3 lbs
A split lock washer made of stainless steel with a stainless finish. It has a thickness of 0.078 in, an outside diameter of 0.583 in, and an inside diameter of 0.322 in. The washer is silver in color and is designed to provide a hardened bearing surface and resist loosening from vibration.

70530

A split lock washer made of stainless steel with a stainless finish. It has a thickness of 0.078 in, an outside diameter of 0.583 in, and an inside diameter of 0.322 in. The washer is silver in color and is designed to provide a hardened bearing surface and resist loosening from vibration.
Washer, Lock, Size 3/8 Inch, Stainless Steel

E148-3/8SSC

Washer, Lock, Size 3/8 Inch, Stainless Steel
A medium split lock washer kit containing sizes #8, #10, 1/4 in., 5/16 in., 3/8 in., and 1/2 in. It is made of steel with a zinc plated finish and silver color. The washers are intended to provide a hardened bearing surface for more uniform torque control and load distribution, and to resist loosening caused by vibration and corrosion.

39517

A medium split lock washer kit containing sizes #8, #10, 1/4 in., 5/16 in., 3/8 in., and 1/2 in. It is made of steel with a zinc plated finish and silver color. The washers are intended to provide a hardened bearing surface for more uniform torque control and load distribution, and to resist loosening caused by vibration and corrosion.
A coiled, hardened, split circular washer with a slightly trapezoidal wire section. It is a split lock washer made of silicon bronze and finished in bronze color. The washer has an outside diameter of 0.680 in, an inside diameter of 0.385 in, and a thickness of 0.094 in.

42535

A coiled, hardened, split circular washer with a slightly trapezoidal wire section. It is a split lock washer made of silicon bronze and finished in bronze color. The washer has an outside diameter of 0.680 in, an inside diameter of 0.385 in, and a thickness of 0.094 in.
A coiled, hardened, split circular lock washer with a slightly trapezoidal wire section. It is made of silicon bronze and has a bronze color. The washer measures 0.062 in thick, 0.487 in outside diameter, and 0.260 in inside diameter.

42525

A coiled, hardened, split circular lock washer with a slightly trapezoidal wire section. It is made of silicon bronze and has a bronze color. The washer measures 0.062 in thick, 0.487 in outside diameter, and 0.260 in inside diameter.
A coiled, hardened split circular lock washer with a slightly trapezoidal wire section. It is made of silicon bronze and has a bronze color. The washer measures 0.056 in thick, with a 0.377 in outside diameter and a 0.227 in inside diameter.

42517

A coiled, hardened split circular lock washer with a slightly trapezoidal wire section. It is made of silicon bronze and has a bronze color. The washer measures 0.056 in thick, with a 0.377 in outside diameter and a 0.227 in inside diameter.
A coiled, hardened, split circular washer with a slightly trapezoidal wire section. It is made of silicon and finished in bronze. Key dimensions are 0.078 in thickness, 0.583 in outside diameter, and 0.322 in inside diameter.

42530

A coiled, hardened, split circular washer with a slightly trapezoidal wire section. It is made of silicon and finished in bronze. Key dimensions are 0.078 in thickness, 0.583 in outside diameter, and 0.322 in inside diameter.
A coiled, hardened, split circular lock washer with a slightly trapezoidal wire section. It is made of silicon and has a bronze color. The washer has a thickness of 0.047 in, an outside diameter of 0.334 in, and an inside diameter of 0.200 in.

42515

A coiled, hardened, split circular lock washer with a slightly trapezoidal wire section. It is made of silicon and has a bronze color. The washer has a thickness of 0.047 in, an outside diameter of 0.334 in, and an inside diameter of 0.200 in.

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.