| FASTENER LENGTH | 0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM |
| HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.095 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 17-4PH FSCM 78710 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SPECIAL FEATURES | 0.192 DIA. HOLE THRU SHOULDER 0.131 MIN 0.141 MAX LENGTH FROM UNDER SIDE OF HEAD |
| SHOULDER DIAMETER | 0.275 INCHES MINIMUM AND 0.279 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER LENGTH | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |