| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.2325 INCHES NOMINAL |
| GRIP LENGTH | 0.6875 INCHES NOMINAL |
| HEAD HEIGHT | 0.0658 INCHES MINIMUM AND 0.0679 INCHES MAXIMUM |
| HEAD STYLE | COUNTERSUNK W/REVERSE CHAMFER |
| HEAD MAJOR DIAMETER | 0.5001 INCHES MINIMUM AND 0.5051 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6415 ASSN STD 1ST MATERIAL RESPONSE OR AMS6349 ASSN STD 2ND MATERIAL RESPONSE OR AMS6382 ASSN STD 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 3RD MATERIAL RESPONSE OR AMS6325 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| SHANK DIAMETER | 0.3422 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |