| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.370 INCHES NOMINAL |
| FASTENER LENGTH | 1.417 INCHES MINIMUM AND |
| 1.447 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6382 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR |
| AMS6415 OR AMS6484 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR |
| AMS6322,AMS6325 OR AMS6327 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SINGLE SHEAR STRENGTH | 95000 POUNDS PER SQUARE INCH |
| HEAD STYLE | FLUSH |
| HEAD DIAMETER | 0.456 INCHES MINIMUM AND |
| 0.508 INCHES MAXIMUM |
| HEAD HEIGHT | 0.111 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CRUCIFORM RIBBED |
| GRIP LENGTH | 1.052 INCHES MINIMUM AND |
| 1.072 INCHES MAXIMUM |
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND |
| 0.2495 INCHES MAXIMUM |
| SURFACE FINISH | 32.0 MICROINCHES FASTENER |
| POINT STYLE | OVAL |
| SPECIFICATION/STANDARD DATA | 80205-NAS7400 THRU NAS7416 NATIONAL STD/SPEC |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,SHEAR,100 DEGREE FLUSH HEAD,RIBBED CRUCIFORM RECESS,CLOSE TOLERANCE,ALLOY STEEL,SHORT THREAD,SELF-LOCKING AND NONLOCKING,95 KSI FSU |