| MATERIAL | STEEL COMP 1006 OR |
| STEEL COMP 1008 OR |
| STEEL COMP 1010 OR |
| STEEL COMP 1012 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-409 FED SPEC 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 HEIGHT | 0.096 INCHES MINIMUM AND |
| 0.116 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.455 INCHES MINIMUM AND |
| 0.469 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 88.0 DEGREES MINIMUM AND |
| 92.0 DEGREES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| FASTENER LENGTH | 1.359 INCHES MINIMUM AND |
| 1.391 INCHES MAXIMUM |
| SHANK DIAMETER | 0.244 INCHES MINIMUM AND |
| 0.253 INCHES MAXIMUM |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFR56 |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS35744-40 |