| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SURFACE TREATMENT |
| FASTENER LENGTH | 1.453 INCHES MINIMUM AND 1.547 INCHES MAXIMUM |
| FEATURES PROVIDED | CASEHARDENED |
| HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OVERALL |
| NONDEFINITIVE SPEC/STD DATA | AB TYPE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.190 INCHES |
| NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2,CL-FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |