1/4"-20 x 1/2" ASTM F837 Hex Drive Grade 18-8 Stainless Steel Socket Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 50.0 INCHES NOMINAL FASTENER LENGTH: 1.00 INCHES NOMINAL END ITEM IDENTIFICATION: NSN 5895-01-608-2698 THREAD QUANTITY PER INCH: 20 PART NAME ASSIGNED BY CONTROLLING AGENCY: STAINLESS STEEL SOCKET CAP SCREW