| HEAD HEIGHT | 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| HEAD MAJOR DIAMETER | 0.263 INCHES MINIMUM AND 0.282 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS L36 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM OVERALL |
| SHANK DIAMETER | 0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF MIL SPEC 1ST TREATMENT RESPONSE OVERALL AND DTD 913 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL AND OXIDE OVERALL |
| FASTENER LENGTH | 0.250 INCHES NOMINAL |