| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| FASTENER LENGTH | 0.619 INCHES MAXIMUM |
| GRIP LENGTH | 0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| HARDNESS RATING | 326.0 KNOOP MINIMUM AND 466.0 KNOOP MAXIMUM SLEEVE |
| HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM STEM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAD MAJOR DIAMETER | 0.399 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES SLEEVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES STEM |
| MATERIAL | STEEL COMP 4027 OR STEEL COMP 4037 SLEEVE |
| MATERIAL | STEEL COMP 8740 STEM |
| SHANK DIAMETER | 0.258 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| SHEAR STRENGTH | 112000 SINGLE POUNDS PER SQUARE INCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-81177 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |