| FASTENER LENGTH | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| HEAD DIAMETER | 0.154 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| HEAD HEIGHT | 0.038 INCHES MINIMUM AND 0.046 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 OVERALL |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| WIDTH ACROSS FLATS | 0.050 INCHES MINIMUM AND 0.051 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD LENGTH | 0.209 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 56 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |