| FASTENER LENGTH | 0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM | 
| HEAD HEIGHT | 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM | 
| HEAD DIAMETER | 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM | 
| HEAD STYLE | ROUND | 
| INTERNAL DRIVE STYLE | SLOT | 
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1S STYLE | 
| NONMACHINE NOMINAL THREAD DIAMETER | 0.190 INCHES | 
| NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE  OR MIL-C-81562 TY 2 CL 3 MIL SPEC 1ST TREATMENT RESPONSE  OR QQ-Z-325 TY 2 CL 3 FED SPEC 2ND TREATMENT RESPONSE  OR MIL-C-81562 TY 2 CL 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM  AND CHROMATE  OR ZINC  AND CHROMATE OVERALL |