| COLOR | WHITE HEAD |
| EXTENDED WASHER DIAMETER | 0.818 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.092 INCHES MINIMUM AND 0.112 INCHES MAXIMUM |
| FASTENER LENGTH | 3.638 INCHES MINIMUM AND 3.668 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP DIAMETER | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
| GRIP LENGTH | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.644 INCHES MINIMUM AND 0.651 INCHES MAXIMUM |
| HEAD STYLE | SPLINE EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP E4340 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.903 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 20 |