| MATERIAL | STEEL COMP 4037 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A547 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SHEAR STRENGTH | 160000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | FLUSH COUNTERSUNK |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| SHANK STYLE | PIN-RIVET, MULTIPLE GROOVED |
| SHANK DIAMETER | 0.2492 INCHES MINIMUM AND |
| 0.2497 INCHES MAXIMUM |
| GRIP LENGTH | 1.813 INCHES MINIMUM AND |
| 1.875 INCHES MAXIMUM |
| SPECIAL FEATURES | UNDERCUT BETWEEN HEAD AND SHANK 0.030 IN. MIN 0.040 IN. MAX LG; 0.2192 IN. MIN 0.2297 IN. MAX DIA |