| FASTENER LENGTH | 3.733 INCHES MINIMUM AND 3.750 INCHES MAXIMUM |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 1.035 INCHES MINIMUM AND 1.041 INCHES MAXIMUM |
| HEAD HEIGHT | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| HEAD STYLE | KNURLED NO. 1 |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1144 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| POINT DIAMETER | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| POINT LENGTH | 0.028 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| POINT STYLE | FLAT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.875 INCHES MINIMUM AND 2.885 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNF |