| FASTENER LENGTH | 0.375 INCHES NOMINAL |
| HEAD STYLE | ROUND |
| HEAD DIAMETER | 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM |
| HEAD HEIGHT | 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | SLOT |
| NONMACHINE THREAD STYLE | THRU SLOT (TYPE D) |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.164 INCHES |
| MATERIAL | STEEL COMP 410 OR STEEL COMP 420 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| NONDEFINITIVE SPEC/STD DATA | CS TYPE AND 1A STYLE |