| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.3750 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.594 INCHES MINIMUM AND |
| 0.614 INCHES MAXIMUM |
| FASTENER LENGTH | 2.031 INCHES MINIMUM AND |
| 2.061 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6382 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OR |
| AMS6415 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 | 17100 POUNDS PER SQUARE INCH |
| HEAD STYLE | SPLINE EXTENDED WASHER |
| HEAD HEIGHT | 0.327 INCHES MINIMUM AND |
| 0.347 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.691 INCHES MINIMUM AND |
| 0.701 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.044 INCHES MINIMUM AND |
| 0.064 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.423 INCHES MINIMUM AND |
| 0.438 INCHES MAXIMUM |
| CHAMFER ANGLE | 30.0 DEGREES NOMINAL AND |
| 45.0 DEGREES NOMINAL |
| GRIP LENGTH | 1.428 INCHES MINIMUM AND |
| 1.448 INCHES MAXIMUM |
| GRIP DIAMETER | 0.3735 INCHES MINIMUM AND |
| 0.3745 INCHES MAXIMUM |
| SPECIAL FEATURES | ALLOY STEEL- 4140 (UNS G41400) PER AMS6382, 4340 (UNS G43406) PER AMS6415 OR AMS6484, 8740 (UNS G87400) PER AMS6322, AMS6325 OR AMS6327, OR 6150 (UNS G61500) PER AMS6448. DOUBLE SHEAR STENGTH LBF MIN: 23900. |
| SPECIFICATION/STANDARD DATA | 80205-NASM21134 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, STEEL, 180 KSI FTU, 450 F EXTERNAL WRENCHING, SPLINE DRIVE, FLANGED |