| FASTENER LENGTH | 2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| HOLE DIAMETER | 0.0605 INCHES MINIMUM AND 0.0685 INCHES MAXIMUM |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | 400 SERIES STAINLESS STEEL PER FF-S-85 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEXAGON HEAD(FINISHED HEX BOLT),HEAD DRILLED FOR LOCKING WIRE,STEEL,CORROSION-RESISTING,PASSIVATED,UNC-2A |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SPECIAL FEATURES | HEAD SHALL BE MARKED IAW MIL-HDBK-131;RAISED MARKINGS ARE PREFERRED,STAMPINGS ARE ACCEPTABLE |
| SPECIFICATION/STANDARD DATA | 96906-MS51099 GOVERNMENT SPECIFICATION |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FF-S-85 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 0.4175 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM |