3/8"-16 x 2-1/2" Grade 5 Yellow Zinc Finish Hex Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.000 INCHES NOMINAL FASTENER LENGTH: 2.500 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.243 INCHES NOMINAL WIDTH BETWEEN FLATS: 0.5625 INCHES NOMINAL END ITEM IDENTIFICATION: MMT DS1738; UK WHEELED TANKER; FAMILY OF HEMTT VEHICLES (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); MRAP - M-ATV UI NOMINAL THREAD DIAMETER: 0.375 INCHES THREAD QUANTITY PER INCH: 16 MATERIAL: STEEL OVERALL PROPRIETARY CHARACTERISTICS: NPAC THREAD SERIES DESIGNATOR: UNC