3/4"-16 Grade 8 Yellow Zinc Finish NE Steel Nylon Insert Lock Nut / THREAD DIRECTION: RIGHT-HAND LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT END ITEM IDENTIFICATION: 2320-01-465-2174 THREAD SERIES: UNF SPECIAL FEATURES: MATL CARBON STEEL,STYLE NUT,NYLON LOCK MATERIAL DOCUMENT AND CLASSIFICATION: ANSI/ASME B18.2.1 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT