| FASTENER LENGTH | 6.219 INCHES NOMINAL |
| GRIP DIAMETER | 0.5917 INCHES MINIMUM AND 0.5927 INCHES MAXIMUM |
| GRIP LENGTH | 5.625 INCHES NOMINAL |
| HEAD HEIGHT | 0.281 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6349 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6389 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6415 ASSN STD 3RD MATERIAL RESPONSE OR AMS 6484 ASSN STD 4TH MATERIAL RESPONSE OR AMS 6322 ASSN STD 5TH MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.5625 INCHES |
| POINT DIAMETER | 0.5500 INCHES MINIMUM AND 0.5550 INCHES MAXIMUM |
| POINT STYLE | FLAT |
| WIDTH BETWEEN FLATS | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMSQQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.594 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |