| FASTENER LENGTH | 3.562 INCHES NOMINAL |
| HARDNESS RATING | 93.9 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL |
| HEAD HEIGHT | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1045 OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| SHOULDER DIAMETER | 1.001 INCHES MINIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 2.000 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SPECIAL FEATURES | SHOULDER CHAMFERED 30 DEG 0.125 IN. W AT THD END |
| WIDTH BETWEEN FLATS | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.437 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNF |