| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.536 INCHES MINIMUM AND 0.556 INCHES MAXIMUM |
| GRIP LENGTH | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.2465 INCHES MINIMUM AND 0.2525 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| SHANK DIAMETER | 0.2015 INCHES MINIMUM AND 0.2025 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | FIRST DASH NUMBER INDICATES NOMINAL DIA. IN 1/32NDS WHICH HLT425 OVERSIZE PIN REPLACES. |
| WIDTH BETWEEN FLATS | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |