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 |