| COLOR | BLACK OVERALL |
| FASTENER LENGTH | 142.5 MILLIMETERS MINIMUM AND 143.5 MILLIMETERS MAXIMUM |
| HEAD DIAMETER | 25.82 MILLIMETERS MINIMUM AND 26.40 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 12.07 MILLIMETERS MINIMUM AND 13.07 MILLIMETERS MAXIMUM |
| HEAD STYLE | KNURLED NO. 1 |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CUSTOM SHOULDER |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| SHOULDER DIAMETER | 20.55 MILLIMETERS MINIMUM AND 20.60 MILLIMETERS MAXIMUM ALL SHOULDERS |
| SHOULDER LENGTH | 119.18 MILLIMETERS MINIMUM AND 119.42 MILLIMETERS MAXIMUM ALL SHOULDERS |
| SHOULDER SHAPE | ROUND ALL SHOULDERS |
| WIDTH ACROSS FLATS | 9.53 MILLIMETERS NOMINAL |
| SURFACE TREATMENT | OXIDE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 22.73 MILLIMETERS NOMINAL |
| THREAD QUANTITY PER INCH | 11 |
| THREAD SERIES DESIGNATOR | UNC |