| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.425 INCHES NOMINAL |
| FASTENER LENGTH | 1.785 INCHES MINIMUM AND |
| 1.815 INCHES MAXIMUM |
| MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| IRON ALLOY 660 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-DTL-18240 AND QPL-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| AMS5731,AMS5732,AMS5737,OR AMS 5853 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700,METHOD 1, TYPE 2 OR TYPE 8,CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.125 INCHES MINIMUM AND |
| 0.140 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.429 INCHES MINIMUM AND |
| 0.439 INCHES MAXIMUM |
| CHAMFER ANGLE | 10.0 DEGREES MINIMUM AND |
| 20.0 DEGREES MAXIMUM |
| LOCKING FEATURE | PATCH THREADS |
| GRIP LENGTH | 1.365 INCHES MINIMUM AND |
| 1.385 INCHES MAXIMUM |
| GRIP DIAMETER | 0.2490 INCHES MINIMUM AND |
| 0.2495 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES FASTENER |
| SPECIFICATION/STANDARD DATA | 80205-NAS6703 THRU NAS6720 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,TENSION,HEX HEAD,CLOSE TOLERANCE,A286 CRES,LONG THREAD,REDUCED MAJOR THREAD DIA.,SELF-LOCKING AND NONLOCKING,160 KSI FTU |