| FASTENER LENGTH | 0.9110 INCHES MINIMUM AND 0.9510 INCHES MAXIMUM |
| GRIP LENGTH | 0.4390 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| HEAD HEIGHT | 0.0700 INCHES MINIMUM AND 0.0780 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.4830 INCHES MINIMUM AND 0.5030 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI 8740 ASSN STD 1ST MATERIAL RESPONSE OR AISI 4340 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4340 OVERALL |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| SHANK DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 108000 SINGLE POUNDS PER SQUARE INCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | A3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |