#10-24 x 1" Hex - Slotted Drive Indented Hex Washer Head Grade 18-8 Stainless Steel Machine Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 1.000 INCHES NOMINAL HEAD STYLE: A7 HEXAGON EXTENDED WASHER INTERNAL DRIVE STYLE: B10 SLOT END ITEM IDENTIFICATION: 3990-01-588-3373 NOMINAL THREAD DIAMETER: 0.190 INCHES THREAD QUANTITY PER INCH: 24 PART NAME ASSIGNED BY CONTROLLING AGENCY: INDENTED HEX WASHER HEAD SLOTTED MACHINE SCREW SCREW MATERIAL: STEEL CORROSION RESISTING THREAD SERIES DESIGNATOR: UNC