1/2"-20 x 1" Grade 8 Plain Finish Hex Cap Screw / HEAD STYLE: C1 HEXAGON END ITEM IDENTIFICATION: 2355-01-567-4930; LOGISTICS SUPPORT VESSEL PART NAME ASSIGNED BY CONTROLLING AGENCY: HEX HEAD CAP SCREW SPECIAL FEATURES: SIZE: 0.50 INCH -20; GRADE: 8; LENGTH: 1.00 INCHES; THREAD SIZE: 20; MATERIAL: STEEL OVERALL