#8-32 Grade 18-8 NM Stainless Steel Nylon Insert Lock Nut / THREAD CLASS: 2B THREAD DIRECTION: RIGHT-HAND LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT NUT STYLE: A12 HEXAGON NUT LENGTH: 0.219 INCHES MINIMUM AND 0.239 INCHES MAXIMUM NUT HEIGHT: 0.140 INCHES NOMINAL THREAD SERIES: UNC THREAD QUANTITY PER INCH: 32 NOMINAL THREAD SIZE: 0.164 INCHES HOLE NOMINAL THREAD DIAMETER: 0.164 INCHES PART NAME ASSIGNED BY CONTROLLING AGENCY: LOCKNUT, HEX, NYLON INSERT SS SPECIAL FEATURES: HEX HEAD POINT TO POINT DIST. 0.374 MATERIAL: PLASTIC NYLON LOCKING INSERT MATERIAL: STEEL CORROSION RESISTING NUT