| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.373 INCHES MINIMUM AND |
| 0.433 INCHES MAXIMUM |
| FASTENER LENGTH | 1.138 INCHES MINIMUM AND |
| 1.168 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OR |
| AMS5732 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL |
| MINIMUM TENSILE STRENGTH | 5790 POUNDS PER SQUARE INCH |
| HEAD STYLE | OVAL COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.464 INCHES MINIMUM |
| HEAD HEIGHT | 0.081 INCHES MINIMUM AND |
| 0.090 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| GRIP LENGTH | 0.720 INCHES MINIMUM AND |
| 0.780 INCHES MAXIMUM |
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND |
| 0.2495 INCHES MAXIMUM |
| SPECIAL FEATURES | CRES: A286 (UNS S66286) SHALL CONFORM TO THE CHEMISTRY OF AMS5731, AMS5732, AMS5737 OR AMS5853. CRES: 160-190 KSI FTU. CODE LETTER "R" FOLLOWING DIA DASH NUMBER INDICATES RIBBED OFFSET CRUCIFORM RECESS PER NASM14191 FOR DIA DASH NUMBERS 3. |
| SPECIFICATION/STANDARD DATA | 80205-NAS1580 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, SHEAR, 100 DEG FLUSH HEAD, OFFSET CRUCIFORM, OFFSET CRUCIFORM - RIBBED AND DOVETAIL SLOT, 95 KSI FSU |
| HAZARDOUS SUBSTANCES | CADMIUM |