| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.623 INCHES MINIMUM |
| MATERIAL | IRON ALLOY 660 HEAD |
| PLASTIC POLYAMIDE LOCKING FEATURE |
| IRON ALLOY 660 GRIP |
| IRON ALLOY 660 THREADS |
| THREAD LENGTH | 0.578 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.3750 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731, AMS5732, AMS5737 NATIONAL STD SINGLE MATERIAL RESPONSE OR |
| AMS5853 NATIONAL STD SINGLE MATERIAL RESPONSE HEAD |
| MIL-DTL-18240 AND QPL-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| AMS5853 NATIONAL STD SINGLE MATERIAL RESPONSE GRIP |
| AMS5731, AMS5732, AMS5737 NATIONAL STD SINGLE MATERIAL RESPONSE OR |
| AMS5853 NATIONAL STD SINGLE MATERIAL RESPONSE THREADS |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2700, METHOD 1, TYPE 2 OR TYPE 8, CLASS 14, AMS2700 METHOD 1, TYPE 8, CLASS 4-WITHOUT POST TREATMENT NATIONAL STD SINGLE TREATMENT RESPONSE OR |
| AMS2700 METHOD 2-WITHOUT POST TREATMENT NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD HEIGHT | 0.188 INCHES MINIMUM AND |
| 0.203 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND |
| 0.564 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, HEX HEAD, CLOSE TOLERANCE, A286 CRES, LONG THREAD, REDUCED MAJOR THREAD DIA., SELF- LOCKING AND NON-LOCKING, 160 KSI FTU |