| MATERIAL | STEEL COMP 8740 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD 1ST MATERIAL RESPONSE OR |
| AISI ASSN STD 2ND MATERIAL RESPONSE OR |
| ASTM A547 ASSN STD 3RD 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 |
| HARDNESS RATING | 77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND |
| 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | FLUSH COUNTERSUNK |
| HEAD MAJOR DIAMETER | 0.480 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| SHANK STYLE | PIN-RIVET, MULTIPLE GROOVED |
| SHANK DIAMETER | 0.2480 INCHES MINIMUM AND |
| 0.2495 INCHES MAXIMUM |
| GRIP LENGTH | 0.532 INCHES MINIMUM AND |
| 0.594 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL |
| SPECIFICATION/STANDARD DATA | 80205-NAS1478 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |