| 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 | 1.849 INCHES MINIMUM AND |
| 1.879 INCHES MAXIMUM |
| MATERIAL | NICKEL ALLOY 718 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662,5663 OR AMS 5962 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700,METHOD 1,TYPE 2 OR 8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 220000 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 |
| GRIP LENGTH | 1.240 INCHES MINIMUM AND |
| 1.260 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3271 INCHES MINIMUM AND |
| 0.3276 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES OVERALL |
| SPECIAL FEATURES | FOR AIRCRAFT USE THE ITEM MUST STRICTLY ADHERE TO ALL CHARACTERITICS AND DIMENSIONAL REQUIREMENTS OF NASM14181 |
| 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 |