10 320853972 THUMBSCREW:KNURLED,M4X0.7X16 THREAD SERIES DESIGNATOR: ISO M; NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS; THREAD PITCH IN MILLIMETERS: 0.7; FASTENER LENGTH: 16.0 MILLIMETERS NOMINAL; PART NAME ASSIGNED BY CONTROLLING AGENCY: KNURLED THUMB SCREW; THREAD SERIES DESIGNATOR: ISO M; NOMINA EA 2