5/8"-11 Grade 5 Zinc Finish NE Steel Nylon Insert Lock Nut / THREAD DIRECTION: RIGHT-HAND END ITEM IDENTIFICATION: 2355-01-567-4930 THREAD SERIES: UNC THREAD QUANTITY PER INCH: 11 NOMINAL THREAD SIZE: 0.625 INCHES PART NAME ASSIGNED BY CONTROLLING AGENCY: NYLON INSERT LOCK NUT SPECIAL FEATURES: THICKNESS 0.765 INCHES AND MATERIAL GRADE 5 STEEL MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL