| COUNTERBORE DIAMETER | 0.200 INCHES MINIMUM AND 0.203 INCHES MAXIMUM NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| PILOT DIAMETER | 0.231 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
| PILOT LENGTH | 0.102 INCHES MINIMUM AND 0.108 INCHES MAXIMUM |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| NUT COUNTERBORE DEPTH | 0.102 INCHES MINIMUM AND 0.108 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.602 INCHES MINIMUM AND 0.608 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNC |