3/8"-16 Grade 18-8 NE Stainless Steel Nylon Insert Lock Nut / THREAD CLASS: 3B THREAD DIRECTION: RIGHT-HAND LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT NUT STYLE: A12 HEXAGON END ITEM IDENTIFICATION: 2320-01-465-2174; MRAP - M-ATV UI; 4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV) THREAD SERIES: UNC THREAD QUANTITY PER INCH: 16 NOMINAL THREAD SIZE: 0.375 INCHES BEARING SURFACE TYPE: CHAMFERED MATERIAL: STEEL OVERALL PROPRIETARY CHARACTERISTICS: NPAC