#4-40 x 1/2" Phillips Drive Pan Head Zinc Finish Steel Machine Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM HEAD STYLE: A23 PAN HEAD DIAMETER: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM HEAD HEIGHT: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM INTERNAL DRIVE STYLE: B2 CROSS RECESS TYPE II END ITEM IDENTIFICATION: MINE PROTECTED CLEARANCE VEHICLE NSN 2355-01-567-4930 PART NAME ASSIGNED BY CONTROLLING AGENCY: 4-40X0.5, MACHINE SCREW, PAN CROSS RECESSED, ZINC PLATED SCREW MATERIAL: STEEL THREAD SERIES DESIGNATOR: UNC