| BEARING SURFACE OF HEAD SURFACE FINISH | 32.0 MICROINCHES |
| EXTENDED WASHER THICKNESS | 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.375 INCHES NOMINAL |
| FASTENER LENGTH | 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| HEAD DIAMETER | 0.312 INCHES NOMINAL |
| HEAD HEIGHT | 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM |
| HEAD STYLE | ROUND EXTENDED WASHER |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,MACHINE,WASHER HEAD,LONG THREAD,160 KSI FTU |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.1640 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 NATIONAL SPEC 1ST MATERIAL RESPONSE OR AMS 6322,AMS 6325 OR AMS 6327 NATIONAL SPEC 2ND MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL SPEC SINGLE TREATMENT RESPONSE |
| SHANK SURFACE FINISH | 32.0 MICROINCHES |
| SPECIFICATION/STANDARD DATA | 97499-120-220 MANUFACTURERS STANDARD |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.375 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SURFACE FINISH | 32.0 MICROINCHES |
| THREAD SERIES DESIGNATOR | UNJC |