| FASTENER LENGTH | 0.667 INCHES MINIMUM AND 0.687 INCHES MAXIMUM |
| HEAD HEIGHT | 0.198 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI 302 COND B ASSN STD 1ST MATERIAL RESPONSE OR AISI 321 HALF HARD ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 321 OVERALL |
| MINIMUM YIELD STRENGTH | 108000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SHOULDER DIAMETER | 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER LENGTH | 0.271 INCHES MINIMUM AND 0.275 INCHES MAXIMUM FIRST SHOULDER |
| SPECIAL FEATURES | SHOULDER UNDERCUT FOE RELIEF |
| WIDTH BETWEEN 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 | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.295 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNC |