| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 1.500 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.782 INCHES MINIMUM AND |
| 1.813 INCHES MAXIMUM |
| FASTENER LENGTH | 7.000 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HEAD STYLE | FLAT CHAMFER |
| HEAD DIAMETER | 2.250 INCHES NOMINAL |
| HEAD HEIGHT | 0.750 INCHES NOMINAL |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER DIAMETER | 1.7480 INCHES MINIMUM AND |
| 1.7490 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 5.062 INCHES MINIMUM AND |
| 5.093 INCHES MAXIMUM FIRST SHOULDER |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 6.343 INCHES MINIMUM AND |
| 6.405 INCHES MAXIMUM FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.234 INCHES MINIMUM AND |
| 0.249 INCHES MAXIMUM FIRST HOLE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |