| FASTENER LENGTH | 2.625 INCHES NOMINAL |
| HEAD HEIGHT | 0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD SURFACE TREATMENT | CADMIUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, HEX HEAD WITH CROSS RECESS, A286 CRES, 160 KSI |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 3180 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM IS FAA CERTIFIED |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | IRON ALLOY 660 |
| SCREW SURFACE TREATMENT | CADMIUM |
| SHANK SURFACE FINISH | 32.0 MICROINCHES |
| SPECIAL FEATURES | SHANK DIAMETER 0.181 MIN 0.184 MAX |
| WIDTH BETWEEN FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.750 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SURFACE FINISH | 32.0 MICROINCHES |
| THREAD SERIES DESIGNATOR | UNJF |
| BEARING SURFACE OF HEAD SURFACE FINISH | 63.0 MICROINCHES |
| BEARING SURFACE OF HEAD SURFACE TREATMENT | CADMIUM |