3/8"-16 x 1" Grade 5 EcoGuard® Finish Hex Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.00 INCHES NOMINAL FASTENER LENGTH: 1.00 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM WIDTH BETWEEN FLATS: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM END ITEM IDENTIFICATION: 2330-01-603-3559 NOMINAL THREAD DIAMETER: 0.375 INCHES THREAD QUANTITY PER INCH: 16 PART NAME ASSIGNED BY CONTROLLING AGENCY: 3/8"-16X1" GRADE 5 ECOGUARD FINISH HEX CAP SCREW MATERIAL: STEEL CORROSION RESISTING OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: GRADE 5 PER SAE J429 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL SURFACE TREATMENT: ZINC OVERALL AND ALUMINUM THREAD SERIES DESIGNATOR: UNC