The Hendrickson 050764-003, also referenced as 507643, is a 3/4-10UNC suspension part for heavy-duty truck applications. The 3/4-10UNC designation identifies a 3/4-inch diameter, 10 threads-per-inch Unified National Coarse thread specification, pointing to a fastener or threaded suspension component built to that standard. Pro Gear and Transmission carries this genuine Hendrickson part. Not certain this is the correct part for your rig? Give us a call and we can help you confirm proper fit before you order.FeaturesGenuine Hendrickson part number 050764-003, also referenced as 5076433/4-10UNC thread specification: 3/4-inch diameter, 10 threads per inch, Unified National CoarseHeavy-duty truck suspension applicationSold by Pro Gear and TransmissionTech SpecsThread Size: 3/4-10UNC (3/4-inch diameter, 10 threads per inch, Unified National Coarse)Alternate Part Number: 507643