| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| GRIP LENGTH | 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.255 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| LUBRICATION | CETYL ALCOHOL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 1290 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| SHANK DIAMETER | 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM |
| SHEAR STRENGTH | 4010 DOUBLE POUNDS PER SQUARE INCH |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIFICATION/STANDARD DATA | 88277-3D0123 MANUFACTURERS STANDARD |
| WIDTH BETWEEN FLATS | 0.0791 INCHES MINIMUM AND 0.0801 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNJC |