| FASTENER LENGTH | 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SCREW MATERIAL | STEEL COMP 4037 OR STEEL COMP 8630 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE |
| SPECIAL FEATURES | FURNISH WITH ONE BOOT WASHER AND HEAD COLOR NUMBER 27038 BLACK FEDERAL STANDARD 595 |