| FASTENER LENGTH | 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| HEAD DIAMETER | 0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HOLE CONFIGURATION STYLE | ROUND |
| HOLE DIAMETER | 0.031 INCHES NOMINAL |
| HOLE QUANTITY | 5 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | SIX SPLINE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4037 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SPECIAL FEATURES | BEARING SURFACE 0F HEAD CHAMFERED T0 SHANK DIA AT 20 DEG |
| SPLINE MINOR DIAMETER | 0.096 INCHES MINIMUM AND 0.098 INCHES MAXIMUM |
| SPLINE WIDTH | 0.023 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| SPLINE MAJOR DIAMETER | 0.113 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| SURFACE FINISH | 16.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD LENGTH | 0.188 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 40 |