Value Collection 88548649 Split Lock Washer 5/16 in 50 Pack

Product Description

The VALUE COLLECTION 88548649 is a split lock washer designed for use with 5/16 inch screws and bolts. Manufactured from alloy steel with a zinc plated finish, this washer provides resistance to loosening caused by vibration and dynamic loads. The split design bites into the bearing surface and fastener to maintain clamp load during service. The zinc plating adds a layer of corrosion resistance suitable for general indoor and light-duty applications. With an inside diameter range of 0.318 to 0.338 inches and a maximum outside diameter of 0.583 inches, this washer meets standard dimensional tolerances for 5/16 inch fastener hardware. Each package contains 50 washers.

This split lock washer is suited for use in mechanical assemblies, HVAC equipment panels, electrical enclosures, plumbing fixture mounting, and general structural fastening where a 5/16 inch fastener is specified. It is appropriate for both residential and light commercial installation work. Technicians and tradespeople across HVAC, electrical, and plumbing disciplines will encounter this fastener size in equipment access panels, brackets, and component mounting points. The 50-piece package quantity is practical for service vans and shop stock.

Key Features

• Alloy steel construction provides strength suitable for standard mechanical fastening applications
• Zinc plated finish offers corrosion resistance for general-duty use
• Split lock design resists loosening under vibration and dynamic loads
• Inside diameter range of 0.318 to 0.338 inches fits standard 5/16 inch fasteners
• Maximum outside diameter of 0.583 inches fits typical 5/16 inch fastener clearances
• Packaged in quantities of 50 for efficient service and shop stocking

Compatibility

Designed for use with standard 5/16 inch screws and bolts in inch-measurement fastener systems. Suitable as a general-purpose split lock washer in mechanical, electrical, HVAC, and plumbing assembly applications where this fastener size is specified.

Installation Notes

Split lock washers are installed between the fastener head or nut and the bearing surface before the fastener is tightened. Ensure the split ends are properly oriented and the washer seats flat before applying torque. Disconnect power or shut off relevant systems before working inside electrical enclosures or equipment panels. Installation is within the scope of general mechanical work performed by licensed HVAC technicians, electricians, and plumbers in accordance with applicable codes.