| FASTENER LENGTH | 7.610 INCHES MINIMUM AND 7.640 INCHES MAXIMUM |
| HEAD DIAMETER | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| HEAD HEIGHT | 0.407 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL | STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OR STEEL COMP 3140 OR STEEL COMP 3135 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS147 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.788 INCHES MINIMUM AND 0.838 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 20 |
| WIDTH ACROSS FLATS | 0.375 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |