| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.589 INCHES MINIMUM |
| FASTENER LENGTH | 1.099 INCHES MINIMUM AND |
| 1.129 INCHES MAXIMUM |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OR |
| AMS5663 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2, UP TO 450 DEG F. INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL |
| MINIMUM TENSILE STRENGTH | 13500 POUNDS PER SQUARE INCH |
| HEAD STYLE | SPLINE EXTENDED WASHER |
| HEAD HEIGHT | 0.302 INCHES MINIMUM AND |
| 0.322 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.575 INCHES MINIMUM AND |
| 0.585 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.035 INCHES MINIMUM AND |
| 0.055 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.360 INCHES MINIMUM AND |
| 0.375 INCHES MAXIMUM |
| CHAMFER ANGLE | 20.0 DEGREES MAXIMUM |
| GRIP LENGTH | 0.490 INCHES MINIMUM AND |
| 0.510 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3110 INCHES MINIMUM AND |
| 0.3120 INCHES MAXIMUM |
| SPECIAL FEATURES | CHEMISTRY OF AMS5662 (UNS N07718), AMS5663 (UNS N07718) OR AMS5962 (UNS N07718). ROOM TEMPERATURE TENSILE STRENGTH (LBF): MAX 15,960, MIN: 13,500 AT ROOM TEMP; 10,800 AT 800 DEG F. DOUBLE SHEAR STRENGTH LBF MIN: 19,200. |
| SPECIFICATION/STANDARD DATA | 80205-NASM14181 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, NICKEL ALLOY 718, 220 KSI FTU, EXTERNAL WRENCHING, SPLINE DRIVE, FLANGED HEAD |