| FASTENER LENGTH | 2.188 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| HEAD DIAMETER | 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM |
| HEAD HEIGHT | 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL | STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1C STYLE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.164 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416 TY 2 CL 3 FED SPEC 2ND TREATMENT RESPONSE OR QQ-Z-325 TY 2 CL 3 FED SPEC 3RD TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC OVERALL |