| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| EXPANSION DEVICE | THREADED SLEEVE |
| FASTENER LENGTH | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| GRIP LENGTH | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| HARDNESS RATING | 49.0 ROCKWELL C MINIMUM OVERALL |
| HEAD HEIGHT | 0.815 INCHES MINIMUM AND 0.835 INCHES MAXIMUM |
| HEAD STYLE | COOPER'S |
| HEAD MAJOR DIAMETER | 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SHANK DIAMETER | 0.1810 INCHES MINIMUM AND 0.1840 INCHES MAXIMUM |
| SHANK STYLE | STUMP |
| SHEAR STRENGTH | 5380 DOUBLE POUNDS PER SQUARE INCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-416,TYPE2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJF |