| MATERIAL | STEEL COMP 1005 OR |
| STEEL COMP 1006 OR |
| STEEL COMP 1008 OR |
| STEEL COMP 1009 OR |
| STEEL COMP 1010 OR |
| STEEL COMP 1011 OR |
| STEEL COMP 1012 OR |
| STEEL COMP 1013 OR |
| STEEL COMP 1015 OR |
| STEEL COMP 1016 OR |
| STEEL COMP 1017 OR |
| STEEL COMP 1018 OR |
| STEEL COMP 1019 OR |
| STEEL COMP 1020 OR |
| STEEL COMP 1021 OR |
| STEEL COMP 1022 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| HARDNESS RATING | 60.0 ROCKWELL B MAXIMUM OVERALL |
| HEAT TREATMENT | ANNEALED OVERALL |
| SHEAR STRENGTH | 44000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.569 INCHES MINIMUM AND |
| 0.588 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| SHANK STYLE | STRAIGHT |
| FASTENER LENGTH | 1.234 INCHES MINIMUM AND |
| 1.266 INCHES MAXIMUM |
| SHANK DIAMETER | 0.305 INCHES MINIMUM AND |
| 0.317 INCHES MAXIMUM |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFR556 |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS35744-52 |