| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 3.897 INCHES MINIMUM AND 3.902 INCHES MAXIMUM |
| GRIP LENGTH | 3.177 INCHES MINIMUM AND 3.192 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 1.044 INCHES MINIMUM AND 1.128 INCHES MAXIMUM |
| LUBRICATION | DRY FILM AND CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AST-5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP XM-13 OVERALL |
| NOMINAL THREAD SIZE | 0.6250 INCHES |
| SPECIAL FEATURES | 125 KSI MIN. SHEAR; 220 KSI MIN. TENSILE; LUBRICATION DRY FILM PLUS CETYL ALSOHOL PER BPS171 |
| SHANK DIAMETER | 0.7591 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 18 |
| TIP DIAMETER | 0.6163 INCHES MINIMUM AND 0.6230 INCHES MAXIMUM |