| FASTENER LENGTH | 2.553 INCHES MINIMUM AND 2.573 INCHES MAXIMUM |
| GRIP LENGTH | 2.058 INCHES MINIMUM AND 2.068 INCHES MAXIMUM |
| HEAD HEIGHT | 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| HEAD STYLE | STRAIGHT PAN |
| HEAD MAJOR DIAMETER | 0.475 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SHANK DIAMETER | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 95000 SINGLE POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |