| FASTENER LENGTH | 0.879 INCHES NOMINAL |
| HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| HEAD DIAMETER | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | RECESSED TYPE I |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 100 DEG & PAN HEAD, DOVETAIL RECESS, CLOSE TOLERANC |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| SHOULDER DIAMETER | 0.279 INCHES MINIMUM AND 0.280 INCHES MAXIMUM OVERALL |
| SHOULDER LENGTH | 0.563 INCHES NOMINAL OVERALL |
| SHOULDER SHAPE | ROUND OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.316 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |