| FASTENER LENGTH | 1.313 INCHES MINIMUM AND 1.375 INCHES MAXIMUM |
| HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429,GRADE 8 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR ASTM A354,GRADE BD AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,HEXAGON HEAD |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CAGE 19207,DOCUMENT 12569600 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |