3/8"-16 x 2-3/4" ASTM F593 18-8 Stainless Steel Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 2.750 INCHES NOMINAL FASTENER LENGTH: 2.750 INCHES NOMINAL HEAD STYLE: C1 HEXAGON END ITEM IDENTIFICATION: 2320-01-492-8215 TRUCK, TANK NOMINAL THREAD DIAMETER: 0.375 INCHES THREAD QUANTITY PER INCH: 16 PART NAME ASSIGNED BY CONTROLLING AGENCY: HEX HED CAP SCREW MATERIAL: STEEL CORROSION RESISTING OVERALL THREAD SERIES DESIGNATOR: UNC