| FASTENER LENGTH | 0.66 INCHES MINIMUM AND 0.69 INCHES MAXIMUM |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE III |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, PAN HEAD, RIBBED CRUCIFORM RECESS, A286 CRES, FULL THREAD, SELF-LOCKING AND NONLOCKING |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731, AMS5732, AMS5737 OR AMS5853 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700, METHOD 1, CLASS 4 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE |
| SCREW MATERIAL | IRON ALLOY 660 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SPECIFICATION/STANDARD DATA | 80205-NAS8100 THRU NAS8106 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.66 INCHES MINIMUM AND 0.69 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |