00591-73960-81

Frequently Asked Questions

Q: What is the 00591-73960-81 hex head nut used for?
A: The 00591-73960-81 is a Toyota OEM hex head nut specified for manual pallet jack assemblies. It provides secure fastening of structural joints and load-bearing connections, engineered from Grade 8 alloy steel with phosphate-oil coating for corrosion resistance.

Q: Which manual pallet jack models are compatible with the 00591-73960-81?
A: The 00591-73960-81 is verified for use in Toyota manual pallet truck structural assemblies. This nut is designed for high-strength applications where load stability and fastening security are critical. Confirm thread size and pitch match your equipment before ordering.

Q: What are the material specifications for the 00591-73960-81?
A: The 00591-73960-81 is constructed from Grade 8 alloy steel with right-hand ISO coarse thread and phosphate-oil coating. This material specification provides high tensile strength, corrosion resistance, and reliable fastening under the dynamic loads typical of manual pallet truck service.

Q: When should the 00591-73960-81 hex head nut be replaced?
A: Replace this hex head nut if it becomes loose during operation, the thread becomes stripped or damaged, corrosion compromises the fastening surface, or it fails to maintain secure clamping force. Inspect structural fasteners regularly during routine maintenance.

Q: Are there cross-reference part numbers for the 00591-73960-81?
A: No cross-reference or equivalent part numbers are available for the 00591-73960-81. This is a Toyota-specific OEM fastener engineered to precise specifications for manual pallet jack assemblies and not interchangeable with other manufacturers hex head nuts.