| 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 4027 OR |
| STEEL COMP 4037 OR |
| STEEL COMP 4130 SLEEVE |
| STEEL COMP 8740 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD 1ST MATERIAL RESPONSE OR |
| ASTM A547 ASSN STD 2ND MATERIAL RESPONSE OR |
| 66 FED STD 3RD MATERIAL RESPONSE OR |
| MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE SLEEVE |
| ASTM A547 ASSN STD SINGLE MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE STEM |
| SURFACE TREATMENT | CADMIUM OR |
| CADMIUM AND |
| CHROMATE STEM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR |
| QQ-P-416 TY 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 |
| HEAD MAJOR DIAMETER | 0.507 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.273 INCHES MAXIMUM |
| SHANK DIAMETER | 0.258 INCHES MINIMUM AND |
| 0.260 INCHES MAXIMUM |
| GRIP LENGTH | 0.844 INCHES MINIMUM AND |
| 0.907 INCHES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS90353-0814 |