| FASTENER LENGTH | 4.710 INCHES MINIMUM AND 4.750 INCHES MAXIMUM |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1020 OVERALL |
| SHANK DIAMETER | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 TY M CL 1 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-P-16232 TY Z CL 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE MANGANESE OR PHOSPHATE ZINC OVERALL |