| THREAD SERIES DESIGNATOR | UNJC | 
| NOMINAL THREAD DIAMETER | 0.164 INCHES | 
| THREAD QUANTITY PER INCH | 32 | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.251 INCHES MINIMUM AND | 
|  | 0.301 INCHES MAXIMUM | 
| FASTENER LENGTH | 0.661 INCHES MINIMUM AND | 
|  | 0.705 INCHES MAXIMUM | 
| MATERIAL | STEEL CORROSION RESISTING OVERALL | 
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM OVERALL | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | 
| HEAD STYLE | MODIFIED PAN | 
| HEAD DIAMETER | 0.309 INCHES MINIMUM AND | 
|  | 0.331 INCHES MAXIMUM | 
| HEAD HEIGHT | 0.088 INCHES MINIMUM AND | 
|  | 0.102 INCHES MAXIMUM | 
| INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | 
| GRIP LENGTH | 0.302 INCHES MINIMUM AND | 
|  | 0.322 INCHES MAXIMUM | 
| GRIP DIAMETER | 0.1625 INCHES MINIMUM AND | 
|  | 0.1635 INCHES MAXIMUM | 
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | 
|  | 32.0 MICROINCHES GRIP | 
|  | 32.0 MICROINCHES THREADS | 
| SPECIFICATION/STANDARD DATA | 80205-NAS1142 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, MACHINE, PAN HEAD |