| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.7500 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.173 INCHES NOMINAL |
| FASTENER LENGTH | 4.298 INCHES MINIMUM AND |
| 4.328 INCHES MAXIMUM |
| MATERIAL | STEEL COMP H11 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-C-8837,TY II,CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND |
| 50.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| HEAD STYLE | SPLINE EXTENDED WASHER |
| HEAD HEIGHT | 0.600 INCHES NOMINAL |
| EXTENDED WASHER DIAMETER | 1.384 INCHES MINIMUM AND |
| 1.394 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.098 INCHES MINIMUM AND |
| 0.118 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.797 INCHES MINIMUM AND |
| 0.812 INCHES MAXIMUM |
| GRIP LENGTH | 3.115 INCHES MINIMUM AND |
| 3.135 INCHES MAXIMUM |
| GRIP DIAMETER | 0.7480 INCHES MINIMUM AND |
| 0.7490 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NASM21297 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,TENSION,STEEL,220 KSI FTU,450 DEG F,EXTERNAL WRENCHING,SPLINE DRIVE,FLANGED HEAD |