| FASTENER LENGTH | 0.66 INCHES MINIMUM AND 0.69 INCHES MAXIMUM |
| GRIP LENGTH | 0.24 INCHES MINIMUM AND 0.26 INCHES MAXIMUM |
| HEAD HEIGHT | 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-DTL-18240 MIL SPEC SINGLE MATERIAL RESPONSE OR QPL-18240 FED SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | PLASTIC NYLON LOCKING FEATURE |
| MATERIAL | STEEL COMP E4340 OR STEEL COMP 8740 OVERALL |
| NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, HEX HEAD, CLOSE TOLERANCE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.425 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |