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The VALUE COLLECTION 88548045 is an alloy steel split lock washer sized for 5/16 inch screws. Split lock washers create tension under a fastener head or nut by biting into the mating surface as the fastener is tightened, resisting loosening from vibration and torque. This washer is sold in a pack of 125 and carries a bright, uncoated finish. The inner diameter ranges from 0.318 to 0.338 inches, the maximum outer diameter measures 0.46 inches, and the washer thickness is 0.093 inches. Alloy steel construction provides solid hardness for general mechanical and structural fastening tasks. Electricians, plumbers, HVAC technicians, and maintenance trades use split lock washers wherever vibration resistance is required in bolted connections.
This washer is suited for residential and light commercial applications where 5/16 inch fasteners are used on equipment panels, brackets, conduit supports, pipe hangers, and mechanical assemblies. The inch-measurement system sizing makes it a direct fit for standard fractional hardware used across HVAC, plumbing, and electrical trades. The pack quantity of 125 supports routine service work and small installation jobs without requiring bulk procurement.
Designed as a standard inch-series split lock washer for use with 5/16 inch fasteners in mechanical, HVAC, plumbing, and electrical applications.
Split lock washers are installed by a licensed or journeyman trade technician as part of standard fastener assembly. Place the washer between the fastener head or nut and the mating surface before tightening. Ensure the mating surfaces are clean and free of debris so the washer seats and bites correctly. Do not reuse split lock washers that have been fully compressed flat, as they will no longer provide effective locking tension.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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