M4-0.7 x 20mm DIN 7985 Phillips Drive Pan Head Zinc Finish Steel Machine Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 20.00 MILLIMETERS NOMINAL HEAD STYLE: A23 PAN INTERNAL DRIVE STYLE: B1 CROSS RECESS TYPE 1 END ITEM IDENTIFICATION: MRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MRAP MAXXPRO DASH ISS W/OGPK AND W/CROWS NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW, M4 X 20MM CLASS 4.8 P/H SCREW MATERIAL: STEEL SCREW SURFACE TREATMENT: ZINC COLOR: SILVER SPECIAL TEST FEATURES: FINISH = ZN A1J PER ISO 4042 (TRIVALENT, ROHS COMPLIANT) SPECIFICATION/STANDARD DATA: D8286-DIN 7985 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD