| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| COUNTERSINK HEIGHT | 0.039 INCHES MAXIMUM |
| FASTENER LENGTH | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| HEAD HEIGHT | 0.002 INCHES MINIMUM AND 0.005 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.228 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
| HEAD STYLE | UNDERSIZED OVAL COUNTERSUNK |
| HEAD MINOR DIAMETER | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| HEAT TREATMENT | ANNEALED OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY 400 OVERALL |
| SHANK DIAMETER | 0.155 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SHEAR STRENGTH | 1860 DOUBLE POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 81205-BACR15CE MANUFACTURERS STANDARD |