Product Description
LOCKWASHER
Specifications
Product Overview
| Product Type | Split Ring Lock Washer |
Physical Specifications
| Material | Hardened Steel |
| Finish | Zinc-Plated |
| Function | Prevents fastener loosening from vibration and load cycling |
| Vibration Resistance | High - distributed load with spring action |
| Corrosion Resistance | Zinc-plated for moderate corrosion protection |
Compatibility
| Applications | Manual pallet jack fastening, electric lift truck components, structural assemblies |
Frequently Asked Questions
Q: What size and material is the 139358 lock washer?
A: The 139358 is a lock washer used in manual pallet jack fastening applications. Determine the fastener size it pairs with by checking your equipment parts diagram or measuring the bolt hole diameter before ordering.
Q: What fastener sizes is the 139358 lock washer compatible with?
A: Lock washers are sized to fit specific bolt and screw diameters. The 139358 is used in standard manual pallet jack assemblies from Crown, Toyota, Raymond, and Hyster. Match the washer bore to your fastener size for proper load distribution and vibration resistance.
Q: Which manual pallet jack assemblies use the 139358 lock washer?
A: This lock washer is used in various mechanical and structural assemblies across standard manual pallet jacks. Locate the fastening point on your equipment documentation to confirm correct replacement.
Q: What material is the 139358 lock washer manufactured from?
A: Lock washers for material handling equipment are typically made from hardened steel or stainless steel. Steel washers provide vibration resistance and load security in lifting and rolling applications, while stainless variants resist corrosion in damp storage conditions.
Q: Why is a lock washer important in pallet jack fastening?
A: Lock washers prevent fasteners from loosening due to vibration and repeated load cycling. They distribute fastening force over a wider area and resist back-off during equipment operation, maintaining structural integrity and safety.