| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| MATERIAL | STEEL COMP 4037 OR |
| STEEL COMP 4130 BODY |
| STEEL COMP 1144 SLEEVE |
| STEEL COMP 8740 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-405 FED SPEC 1ST MATERIAL RESPONSE OR |
| QQ-W-405 FED SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE BODY |
| QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-W-405 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| SURFACE TREATMENT | CADMIUM BODY |
| CADMIUM MECHANICAL LOCK |
| CADMIUM STEM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| QQ-P-416,TY 2,CL3 FED SPEC SINGLE TREATMENT RESPONSE MECHANICAL LOCK |
| QQ-P-416,TY 1 OR 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE STEM |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM BODY |
| 48.0 ROCKWELL C MINIMUM AND |
| 53.0 ROCKWELL C MAXIMUM STEM |
| SHEAR STRENGTH | 5900 SINGLE POUNDS PER SQUARE INCH |
| HEAD MAJOR DIAMETER | 0.507 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.586 INCHES MAXIMUM |
| SHANK DIAMETER | 0.258 INCHES MINIMUM AND |
| 0.260 INCHES MAXIMUM |
| GRIP LENGTH | 0.156 INCHES MINIMUM AND |
| 0.220 INCHES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| SPECIAL FEATURES | MECHANICAL LOCK STEEL AISI 660,STEEL QQ-S-633 COMP C1144 |