| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| THREAD LENGTH | 0.750 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 2A |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI 8637/8640/8740 MEDIUM CARBON ALLOY STEEL WIRE OR 4340 ALLOY STEEL BAR STOCK,GRADE 9 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SPECIAL ECOFINISH TO MEET 1000 HOURS OF SALT SPRAY CORROSION RESISTANCE MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| COLOR | GRAY/GREY OR |
| SILVER OVERALL |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND |
| 42.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.273 INCHES MINIMUM AND |
| 0.289 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND |
| 0.562 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | 3/8"-16X3/4" GRADE 9 FINISH HEX CAP SCREW |