| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 150.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL |
| HEAT TREATMENT | SOLUTION HEAT TREATED OVERALL |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.164 INCHES MINIMUM AND |
| 0.172 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| SHANK STYLE | STRAIGHT |
| FASTENER LENGTH | 0.552 INCHES MINIMUM AND |
| 0.572 INCHES MAXIMUM |
| SHANK DIAMETER | 0.093 INCHES MINIMUM AND |
| 0.095 INCHES MAXIMUM |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81352 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN124976 |