| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 2.316 INCHES MINIMUM AND 2.470 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FASTENER LENGTH | 2.906 INCHES MINIMUM AND 3.000 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |
| HEAD HEIGHT | 0.480 INCHES MINIMUM AND 0.554 INCHES MAXIMUM |
| HEAD STYLE | THUMB NO. 7 |
| MATERIAL | STEEL COMP 304L OR STEEL COMP 316L OR STEEL COMP 302 OR STEEL COMP 347 OR STEEL COMP 321 OR STEEL COMP 317 OR STEEL COMP 316 OR STEEL COMP 310 OR STEEL COMP 309 OR STEEL COMP 305 OR STEEL COMP 304 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| POINT STYLE | FLAT |
| SPECIAL FEATURES | WING MATL STEEL AISI 347 |
| WIDTH BETWEEN FLATS | 1.350 INCHES MINIMUM AND 1.410 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.530 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNC |