| HEAD DIAMETER | 0.264 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| HEAD HEIGHT | 0.099 INCHES MINIMUM AND 0.111 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1S STYLE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.151 INCHES |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |